"I don't believe in tricky advertising,
I don't believe in cute advertising,
I don't believe in comic advertising.
The people who perpetrate that kind of advertising never had to sell anything in their lives."
-David Ogilvy
Six principles to make your ideas Persuasive:
S-simple
U-unexpected
C-concrete
C-credentialed
E-emotional
S-story
To summarize, Engaging people's curiosity over a long period of time is done by systematically "opening gaps" in their knowledge - and then filling those gaps.
PRODUCTION POSSIBILITY FRONTIER
A "production possibility frontier" conveys the various choices that an economic entity could make when choosing what to produce, given the constraint imposed by its limited factors of production.
#microeconomics101