Pete Cashmore wrote his first post for five years ago in the bedroom of his home in Scotland. Hoping to get immersed in the social media and technology space, the 19-year-old web technology consultant started Mashable to cover web “mash-ups,” which were particularly popular at the time. Before he knew it, he sold his first advertisement for the site and gained a following of influential readers. In 2006, Mashable hired its first staff writer and in 2007 the site reached 4 million monthly pageviews.

Five years after its birth, Mashable