These 1-100 heirlooms make the leveling experience absolutely painless. This video shows you the location of heirloom vendor in Patch 6.1 onwards for the 1-60 heirlooms, 60-90 heirloom upgrades and 90-100 / 1-100 heirlooms upgrades.
Originally called thefacebook, Facebook was founded by former-Harvard student Mark Zuckerberg (while at Harvard) who ran it as one of his hobby projects with some financial help from Eduardo Saverin. Within months, Facebook and its core idea spread across the dorm rooms of Harvard where it was very well received.
Who came up with the idea for Facebook? It's always been a shady story. Mark Zuckerberg, the company's wunderkind CEO, has said that the social network was his own creation, something he designed and built while he was a student at Harvard. Nobody really believes it's that simple.