If you thought Snapchat was going to disappear any time in the near future, you may be disappointed. A new eMarketer report predicts app usage will continue to grow over the next few years, though the percentage of users who fall into the Millennial age group will level off and growth expands to other demographics. Now of course this could change at any moment, but if you’re planning long-term it looks like Snapchat will continue to be a decent bet.