giving away business ideasFlashcards1 are pretty popular among students2 to cram for tests, learn new words. Some continue using them later on though their professional careers to avoid forgetting critically, but rarely used knowledge.
What they study isn't private information though.
What if you would want to...
- make it 100% sure you don't forget the master password to your password manager
- know your credit card information by heart
- memorize facts that are embarrassing not to know ("What's the name of my friend's significant other?")
Some would find it comforting not have to trust the servers of some company to host this information. The app could perhaps employ end to end encryption3 or, simply store data locally4, which is less sexy, but also much easier to implement.
- Flashcard - Wikipedia ↩
- Well, it's The Thing for medical students, the popularity of the method and the selection of available cards decks is astounding. ↩
- End-to-end encryption - Wikipedia ↩
- Some apps like Daylio use a local-first strategy which relies on the security capabilities of the device to secure the data when it's only stored on the device. ↩