I have no idea how many people use it. But I know that Kevin Systrom and Mike Krieger created it.
I have no idea how many people use it.  But I do know mostly the younger crowd use it. The person who created it is named Kevin Systrom.
I feel like Instagram is such a huge trend right now, but I've never used it! Are you familiar with it? Well, I know that Facebook owns it. Oh, I didn't realize that. What else can you tell me about it? If you are a registered user, you can upload photos and videos. Oh okay, so every post has to have either a picture or video? Does Instagram offer filters for pictures? I'm not sure, though you can share videos and photos either publicly or to a select set of followers. When was Instagram developed? I fear I'm really far behind on this trend! Instagram was released in 2010 for iOS. Do you know how many people use Instagram?
It was created by Kevin Systrom and Mike Krieger, and launched in October 2010 as a free mobile app exclusively for the iOS operating system.