This article first appeared on Visual.ly. Pinterest co-founder Ben Silbermann once compared his social sharing website to the bug collection he kept as a child. Lucky for him, today’s Internet users share his love of collecting things: as of June 2013, Pinterest had 70 million users, according to Paris-based social media research firm Semiocast, its latest $225 million funding round in October 2013 bumping its valuation up to a whopping $3. Continue Reading