SuperRN

[Viora Tech @Viora_Tech_Ai]

A woman drove for both Uber and Lyft for 4 years over 11,000 trips.

She's also a rider who takes 10+ rides a week.She sees both sides of the app every single day.

"Riders don't realize that the price they see is not the price they have to pay. The app has a bidding system, a scheduling trick that locks lower fares, a rating threshold that gets you matched with better drivers, and a pickup spot change that shaves $3–5 off almost every airport ride. I watch passengers overpay on every trip because they press 'confirm' without checking 3 things first."

"I've driven 11,000 trips. I've watched the surge algorithm spike prices 3x for a ride I know should cost $14. I've watched passengers request pickups from inside a surge zone when walking 2 blocks would have dropped the price by $12. I've watched people take Uber every single day without knowing Lyft is $5 cheaper for the same route at the same time and vice versa. I've watched riders with 4.65 ratings wonder why their drivers cancel on them not realizing that drivers see your rating before they accept and anything below 4.7 is a red flag."

"The rideshare system is not a taxi meter. It's a dynamic pricing marketplace where the fare changes every 30 seconds based on demand, supply, location, time of day, and your own rider history. Two people standing on the same block requesting a ride to the same destination at the same time can pay $8 apart. The system is designed so you never know if you got the best price or the worst one. Unless you know how to check."

Here are 10 things Uber and Lyft drivers wish passengers knew:

🧵

[Jack @jackcoder0]

A guy paid $100/year for Microsoft 365 Personal.

He used Word to write documents. Excel to track his budget. PowerPoint to make presentations for his side business. Three apps. $100/year. He'd been paying since 2016. $800 total across 8 years.

His coworker told him something that made him set his coffee down.

"Word, Excel, and PowerPoint are free. They've been free online since 2010. You go to microsoft365 com, sign in with a free Microsoft account, and open Word, Excel, and PowerPoint in your browser. Full editing. Real-time collaboration. Auto-save to OneDrive. No subscription. No download. No install. Free."

He stared at her. "Since 2010?"

"Since 2010. And Google has offered Docs, Sheets, and Slides for free since 2006. You've had 2 completely free office suites available to you for over a decade. You've been paying $100/year for 8 years for software you could have used at $0 from both companies since before you graduated college."

She showed him 11 free tools from Google and Microsoft that most people are either paying for separately or have never opened starting with the Office apps he's been subscribing to since the year he got his first apartment.

Here's the full playbook 🧵

[Evon @_evon3929]

Erase 94% of yourself from the internet.

Your address, your old accounts, your leaked passwords.

Here's the step-by-step guide:👇

[Ethan Walker @ethancoder0]

FREE VERSIONS VERSUS PAID VERSIONS

Do not pay for Spotify, use Lyra
Do not pay for Apple TV, use Streamly
Do not pay for Netflix, use Flixio
Do not pay for Paramount+, use EpicFlix
Do not pay for Apple Music, use ESound
Do not pay for Peacock, use GlitchTV
Do not pay for Disney, use Netmirror
Do not pay for Prime Video, use CineHub
Do not pay for HBO Max, use Moviebox
Do not pay for YT Premium, use Brave browser
Do not pay for Hulu, use ShowZone

(Why do you pay for content you can get free?)

[Felix Prehn 🐶 @felixprehn]

NVIDIA was $10 in 2022. Palantir was $8 in 2023. Both went up 20x.

While everyone’s buying the same popular tech stock, there are 7 companies NOBODY is talking about that could hit similar returns.

Here’s what they are + why I believe this:

1) Infleqtion (INFQ)

[Imogen Ai @puja_roy30dr]

Apple switched off the best camera settings on your iPhone. On purpose.

You paid $1,200 for a camera you've never actually used. Six settings are off by default, and they're the ones that make photos look dramatically better.

Fix these 6:👇

[Emilia Cypher @Cypher_Ai1]

A guy got a $600 hospital bill for a bag of saline water and salt.

He called one number, said 9 words, and the bill dropped to $80.

His wife works in medical billing. She told him hospitals send you the "chargemaster" price first a number almost nobody actually pays, and almost nobody knows they don't have to.

The saline bag: $600 billed. Actual cost to the hospital: under $2. The IV tubing: $200 billed. Cost: a few dollars. A single Tylenol: $20 billed.
You can buy the whole bottle for $6.

Same hospital stay, same treatment, same doctor. The insured price for the exact same bag of saline: $40. The cash-pay negotiated price when he called and asked: $80. The bill he almost paid without asking: $600.

He told me: "The first bill isn't a bill. It's an opening offer. Almost nobody in America knows that's what it is."

His wife has spent 12 years processing medical bills. She's seen the inside of the system the chargemasters, the markup formulas, the negotiated rates, the financial assistance programs, and the 9 words that make billing departments drop prices on the spot.

"Hospitals set prices the way car dealerships set sticker prices. Nobody pays sticker except the person who doesn't know they can negotiate. In healthcare, that person is almost everyone."

Here are the 9 things she taught him:

[Jaxon @jaxoncoder]

A former airline pricing analyst shared a harsh reality with me over coffee.

"We do not just track your cookies. We track your hesitation."

If you check a flight price twice, the algorithm automatically increases it by 15 percent.

Here is the 30-second trick to force the system to give you the lowest price: 👇

[Jaxon @jaxoncoder]

My boss in Austin told me I will never get promoted in America.

He said you work the hardest but you act like you are waiting for permission to exist.

I was angry that night. Then I wrote down everything he told me in the next 30 minutes.

7 unwritten US corporate rules no one tells immigrants:

[Jaxon @jaxoncoder]

THIEVES IN NEW YORK AND CHICAGO ARE NO LONGER STEALING WALLETS

THEY WAIT FOR YOUR FACE ID TO FAIL IN A DARK BAR AND MEMORIZE YOUR PASSCODE INSTEAD

APPLE BUILT A TOOL TO STOP THIS EXACT CRIME BUT HID IT IN SETTINGS AND LEFT IT OFF👇

[Evon @_evon3929]

Apple's new update hides 20GB of phantom data on your phone to push you toward paying for iCloud.

4 steps to purge the hidden cache:👇

[David @David_eficaz]

Mi tarjeta fue clonada en Bangkok. $2,000 desaparecidos.

Mi banco dijo: «La investigación toma 90 días, no esperes mucho».

Las reglas globales de Visa dicen que no les debo $0 desde el primer día. El banco estaba usando mi dinero para financiar su investigación de fraude.

Un solo correo electrónico. Revertido en 48 horas.

Aquí está la frase que pone fin al retraso:

[HaseebBadar_Stocks @hb_stocks]

STOP BUYING THE SECOND THE MARKET OPENS.

DO THIS INSTEAD 👇

[Viora Tech @Viora_Tech_Ai]

A home network technician has set up or fixed over 4,000 routers in 10 years — from $40 ISP-rental boxes to $2,000 mesh systems in 6,000-square-foot houses.

He walks into people's homes, opens one screen on his laptop, looks at it for 10 seconds, and can tell them exactly why their WiFi feels slow, drops during video calls, or dies the moment they walk into the bedroom.

He told me: "Almost every router I check is running the exact settings it shipped with in the box. The channel is on whatever it auto-picked three years ago and never rechecked. Both bands are broadcasting the same name so your phone can't tell them apart. The DNS is routing every single request through your ISP, which is usually the slowest option available. And the firmware hasn't updated itself in 14 months because nobody ever turned that on. People are paying for gigabit internet and getting a fraction of it — not because their internet is bad, but because the box distributing it has never once been touched since the day it was plugged in."

He said a properly configured router doesn't just feel "a little faster." It feels like a different internet connection entirely.

He changed 9 settings on my router in 15 minutes.

The video calls stopped freezing. The dead zone in the back bedroom disappeared. Load times on every device dropped instantly. The smart home devices stopped randomly disconnecting. And for the first time since I moved in, my phone actually shows the full speed I'm paying for.

"Internet providers ship you a box that technically works. They don't ship you one that's actually configured for your specific house, your specific devices, or your specific plan. That part's on you — and almost nobody ever does it."

Here are the 9 things he changed.

[Dr PARVEEN YOGRAJ @dr_yograj]

Silent Kidney Killers: Why “Normal Peeing” Doesn’t Mean Healthy Kidneys
————————————————-
A widespread myth claims that normal urine output equals healthy kidneys. In reality, chronic kidney disease often progresses silently for years. Kidneys can keep producing urine even after significant filtering damage has already occurred. The real danger lies in everyday habits most people never link to kidney harm.
Four common practices stand out:
1. Long-term daily use of acid-reducing pills such as pantoprazole or omeprazole can quietly trigger kidney inflammation, sometimes revealed only by a rising creatinine level.
2. Taking painkillers like ibuprofen or diclofenac while dehydrated (from fever, vomiting, fasting or exercise) sharply reduces blood flow to the kidneys and raises injury risk.
3. Megadosing vitamin C (1000 mg daily) converts excess ascorbate into oxalate, increasing the chance of kidney stones and, rarely, oxalate nephropathy.
4. Unlabelled or illegal skin-lightening creams containing mercury allow the heavy metal to enter the bloodstream and slowly poison the kidneys.
These habits are not dramatic; they are routine. That is exactly why they are so dangerous.
Thank You Dr Priyam @DocPriyamMD -I Will tell my experience. As a clinician I see this story unfold repeatedly. A patient walks in looking pale, with mild facial puffiness, complaining of breathlessness on mild exertion and persistent nausea. My mind immediately asks: could this be the kidneys? I specifically enquire about long-standing diabetes, hypertension and regular analgesic use. The next investigations—CBC, HbA1c and a full kidney function panel—almost always confirm the suspicion. Early chronic kidney disease has been quietly advancing while the patient still “peed normally.”
The lesson is clear: kidney health is not measured by urine volume alone. Awareness of silent risks, timely history-taking and simple blood tests remain the most powerful tools we have to catch damage before it becomes irreversible.​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​​ #MedTwitter #MedEd #CKD #Nephrology #MedX @IhabFathiSulima

[Alvin @Alvin1492840]

A former Marriott front desk agent said something that will change how you check into hotels forever:

"I had the ability to upgrade guests every single day. Every shift, I had suites sitting empty, premium rooms unbooked, and corner rooms with views that nobody requested. I could assign any of them to any arriving guest with elite status — or sometimes even without it."

"But I never offered unprompted. Not once in 5 years."

"It's not that I didn't want to. It's that the system doesn't work that way. I'm checking in 80-100 guests per shift. The system auto-assigns rooms based on an algorithm — loyalty tier, booking channel, rate code, room type purchased. The algorithm doesn't optimize for generosity. It optimizes for inventory management. It assigns the lowest-category room that matches the reservation and moves on."

"The override is me. I can see what's available. I can move you. I can upgrade you. But I need a reason to look. And the reason is you — asking."

"In 5 years, I checked in roughly 100,000 guests. Maybe 15% asked for an upgrade. Of those who asked politely and had any level of elite status, roughly 65-70% got one. Of those who said nothing — same status, same hotel, same night — 100% got the auto-assigned room."

"Both guests paid the same rate. Both had the same status. Both were entitled to the same upgrade eligibility. One walked into a suite on the 18th floor. The other got room 312 next to the elevator."

"The only difference was 10 seconds of conversation at the desk."

I asked her to tell me everything — every trick, every script, every mistake she watched guests make for 5 years.

Here's all of it 🧵

[Alvin @Alvin1492840]

A guy's Windows laptop took 4 minutes to boot.

His laptop was slow, laggy and battery would die quickly. He thought of buying a new laptop
He was on Best Buy's website pricing a new laptop. $899 for a basic model. $1,299 for the one he actually wanted.

His roommate an IT manager who spent 8 years managing 2,000+ corporate devices across 3 companies walked past his desk, heard the fan, and said "let me look at that for 9 minutes before you spend $1,000."

He sat down. Opened Task Manager. Opened Settings. Opened Disk Cleanup.

"You have 23 programs launching at startup including 4 you've never opened, 3 that came preinstalled from the manufacturer, and 2 that are basically spyware. Your hard drive is 94% full because you've never emptied the Temp folder, which has 18GB of junk files.

Windows is downloading updates in the background during your

workday and throttling your CPU. Your power plan is set to 'Balanced' instead of 'High Performance.' Your visual effects are set to 'Best Appearance' which means

Windows is wasting GPU power on transparent windows and shadow animations instead of running your apps. And you have 3 browser toolbars from 2021 that are

injecting ads into every webpage."
He disabled 11 things in 9 minutes.
The laptop booted in 40 seconds. The fan went silent. Chrome opened instantly. The battery lasted until 6pm.

Same laptop. Same hardware. Same 3-year-old machine he was about to replace.

He said "I thought this laptop was dying."

His roommate said "it's not dying. It's drowning. Windows doesn't slow down because the hardware gets old. It slows down because nobody cleans it. Every month, more startup programs pile up, more temp files accumulate, more background processes run, and more bloatware eats your

resources. After 3 years without maintenance, your laptop isn't running your apps it's running 40 things you didn't ask for and your apps get whatever is left."

Here's every setting he changed 🧵

[Rasel Hosen @details_with_ai]

Google lets your Gmail fill up, then charges you to keep the junk.

I hit 13.9GB of 15GB and almost paid for more storage.

Then I cleared the space in under 20 minutes without deleting a single important email.

5 steps you can copy:👇

[Viora Tech @Viora_Tech_Ai]

Amazon Prime is quietly hoping you never tap one row on your own homepage and scroll sideways.

I did.

The row was labeled "Included with Prime." Underneath it: hundreds of movies and shows I'd been paying $4.99 to rent for two years, sitting there the entire time, already covered by the membership I already had.

Then I kept digging.

There was a setting that had been charging my card automatically for "extra" channels I forgot I'd added during a free trial fourteen months earlier. There was an entire library of live sports, throwback channels, and free-with-ads content hiding behind a tab labeled "Freevee" that I'd scrolled past a thousand times assuming it was some kind of ad. There was an X-Ray feature that could tell me who every actor was, mid-scene, without pausing anything. There was a way to watch in 4K that my $1,600 TV had never once actually received.

A friend of mine, a former Amazon Prime Video product manager who spent four years deciding what gets surfaced on the homepage, told me something that reframed the entire app for me:

"Prime Video's homepage is optimized to get you spending, not saving. The 'Included with Prime' content is real, and it's enormous, but it's buried under rows of paid rentals because paid rentals make Amazon more money per click than something you already have access to for free."

I changed 9 things that evening. Here's everything I changed.

[Emilia Cypher @Cypher_Ai1]

A guy worked as an Apple Store Genius for 5 years. He repaired over 10,000 iPhones. He taught over 15,000 customers how to use them.

He said the same thing happened every single day: a customer would hand him a $1,200 iPhone, and he'd realize they were using it like a $200 phone from 2014.

"The iPhone has a built-in document scanner, a password manager, a sign language interpreter, a live translation system that works in real-time conversations, a sound recognition engine that alerts deaf users when a doorbell rings or a baby cries, a satellite emergency system that works with zero cell signal, a car crash detector, a text extraction tool that reads words from any photo, a background noise canceler for phone calls, and a health monitoring system that tracks everything from walking steadiness to hearing levels. Most people use it for texts, calls, Instagram, and a camera. That's a $1,200 computer running 5 apps."

He said Apple adds 50–100 new features with every major iOS update and never tells you about most of them. They're buried in Settings, hidden behind gestures, or tucked inside apps you've never opened.

"Apple builds the most powerful consumer device on earth. Then they ship it with a 2-minute setup wizard and hope you figure the rest out yourself. You won't. Nobody does."

Here are the 11 things he showed every customer: