Nothing is more annoying than an essay which is separated into a whole bunch of twitter posts. Not only is this completely counter-intuitive to the nature of what twitter is supposed to be, but it also ends up, because of the character limit, flooding people's timelines.
twitter notifications then: someone followed you, someone liked or retweeted a post
twitter notifications now: someone you're following shared a post from their fifth cousin and it shows slight relevancy to your interests, someone tweeted and it doesn't relate to you at all