The photo sharing phenomenon saw much more growth with the advent of smartphones than any other mechanism, especially with platforms like Android and iOS. Even though Facebook is the unofficial king in the photo sharing ring, the immense popularity that Instagram saw made the whole idea much more famous, and when the photo sharing mobile network expanded from being an iPhone exclusive to Android, things definitely took off even further. Today, photo sharing is one of the most popular and religiously observed social networking phenomena that you’ll find all across the internet.