Instagram and Snapchat aren't just two of the most popular social media or photo sharing apps in the world. They're two of the most popular apps, full stop. But do we really need them to be exactly like each other?
That's no longer a hypothetical question after the latest update hit Instagram this week. It introduced Instagram Stories, which stay on your phone or tablet for 24 hours then disappear. You can also draw on the videos or images and use text, plus control who gets to see them.