While we still don't know exactly how much of Snap's $404 million of 2016 revenue stems from advertising, Recode reported that Snap aimed to make $300-$350 million in advertising sales last year, a huge increase from the $59.2 million in ad revenue Snap made in 2015.
To understand just how quickly the company has ramped up advertising efforts to appeal to investors ahead of its IPO, we've listed a timeline of Snapchat's key moments and advertising milestones.
