Instagram is touting the success of its recent stream of updates as an important factor in helping it snap up an additional 100 million users over the past six months. As a result, Facebook’s photo-sharing platform now has a total user base of 600 million. Comparatively, that’s almost double the amount of users Twitter currently has (317 million). Although, Snapchat is a better comparison, considering the similar features the two now boast — especially since Instagram started cloning its younger rival’s sharing functions — the temporal messaging app has thus far only disclosed its daily active users, which at last count stood at 150 million. Instagram, on the other hand, boasts 300 million daily users. This time round, however, it did not disclose if those figures received a bump, instead focussing on its monthly active user base. So, what’s behind the continuing interest in the photo-sharing app?According to Instagram: “a...