Why Is Instagram Going To Loose Popularity?

Instagram is a photo sharing social media app that was released in october of 2010 but has just now been gaining popularity. But I believe that this popularity is on the decline. Apps like Vine are now taking center stage as more people switch to video sharing instead of pictures. Why is this? You can share so much more in a six second video than in a still shot. The problem Vine is having is the fact that it is not as social as Instagram. There is no way to find your friends unless you link your Twitter or Facebook contacts. The problem for me is that I am just getting started on Twitter and have no contacts to link to Vine. Another problem with vine is that you cannot delete comments without going through multiple steps. Instagram on the other hand has a search and has the ability to delete comments. But I believe that Vine, being owned by a social media giant, will fix these problems before vine is history.