A quick crash course on SnapChat by its founder Evan Spiegel

Never fear though, cause four years after the launch of SnapChat, the founder himself, Evan Spiegel gives a quick crash course on his app, how it works, why it's relevant in this day and age and the advantages it has over other social networks.

Reportedly, SnapChat is worth an estimated $15bn, so it definitely has some value behind it, even if some still don't understand it.