Imgur is the most popular startup no one talks about. The image sharing and upvoting site has a stunning 150 million monthly users that view 60 billion memes, Cat GIFS, sob stories, and science explainers per month. But considering 82% of them spend over 3 hours per week on Imgur, and 17% spend over 10 hours, you could definitely consider Imgur addictive. People endlessly browse its home… Read More...