But this method of meeting people is probably no more dangerous than any other one, online or off. It's just that apps such as these are becoming increasingly popular. With so many people now using them it's no wonder that meetings facilitated by them occasionally turn very ugly.
After all, there have have been many cases of harassment and violence (even murder) involving users of the big dating sites. Last year, for example, a woman filed a lawsuit against Match.com after being attacked by a man she met on the site, then dropped it when she was satisfied they were screening out known sex offenders.