Logo aside, the company is also making some visual tweaks to its flagship app. The flatter black and white design we first spotted last month is officially making its way to Instagram's iOS and ...

Instagram is celebrating its birthday by letting users switch to older icons of the app, including the classic retro camera logo that it sported when it first became a staple of smartphones worldwide.

A good logo is meant to evolve with the times. Just look at the countless iterations the Microsoft logo has gone through since the company launched in 1975. But what happens when logos travel back ...