Happy Birthday, Pinterest! John P. Muldoon / March 20, 2015 Another great infographic from Dublin-based One Productions. This one outlines Pinterest’s first five years. Related posts: Infographic: YouTube Grows From Teething to 10 Year Old The Rise & Fall of a Social Giant Venture Funding in Ireland 2013 ‘Fat, Dumb & Happy Does Not an Innovation Powerhouse Make’ Smartphone Costs Around the World