7 features most people don't know exist in Instagram

Instagram is one of the hottest social networks at the moment having announced that over 400 million people use the service (up from 300m in December 2014), many of whom are outside the United States.

The app is designed simply and is optimised for social connections, displaying all of the posts from people you follow in reverse-chronological order.

It's easy to figure out the basics like cropping a photo or choosing a filter to make it look better.

But while the app's interface is simple to use, there are features which are hidden away that can enhance the overall experience. Here's how to find them.