I'm not a Snapchat user, but my girlfriend is. I watch her use Timehop and she laughs at old tweets she made... when she actually used Twitter. She then goes

I'm not a Snapchat user, but my girlfriend is. I watch her use Timehop and she laughs at old tweets she made... when she actually used Twitter. She then goes to Snapchat and watches other people's stories for the next hour while I catch up on news (HN, industry news, etc). I understand why Snapchat is popular, but I don't understand people who use it (sorry bae).