What it is: Continuing the theme of secretive social networking, Ask.fm is a global platform that lets its users ask each other questions, either under their names or anonymously. The whole thing used to be a lot shadier a couple years ago, with some pretty severe links to cyberbullying, but once the app got purchased by Ask.com, a new safety guideline was instituted to make the experience more pleasant. Whether or not that's the case, though, is up for debate.
Our verdict: In an age when not understanding something either meant heading to the library (ha!) or accepting your own ignorance, the ability to easily ask questions (whether to people you know or complete strangers) would've been pretty valuable.
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Gianni Jaccoma is a staff writer for Thrillist, and he’s still not sure what in the hell a Yik Yak is. Follow his curmudgeonly tweets @gjaccoma, and send your news tips to firstname.lastname@example.org