Try running a search on Twitter--you'll see some nasty stuff, depending on the search term.
Yik Yak is basically just location-based search, so there's no social filtering. (As opposed to on your Twitter feed, where you create a social filter by selecting the accounts you follow).
Yik Yak is basically just location-based search, so there's no social filtering. (As opposed to on your Twitter feed, where you create a social filter by selecting the accounts you follow).