Grant Slatton tweets…
weird to me nobody has made a killer browser extension that automatically creates spaced repetition flashcards for everything you read
like imagine you put in a prompt about the kind of thing you want to remember and it reads everything you read and makes cards automatically
He adds in the comments 
I will pay $20/mo if anyone builds a decent version of this
Could probably build an MVP in under a week
Lots of likes and bookmarks on the original tweet = many people likely feel the same 
Proof that flash card apps can earn big money…
21-Year-Old Med Student’s App = $27,000 Per MonthAnd there are several good tutorials on YouTube when you search for “build chrome extension with ai” 
Published on March 20, 2025 08:15