Picture taken on May 12, 2012 in Paris shows an illustration made with figurines set up in front of Facebook's homepage. Facebook, already assured of becoming one of the most valuable US firms when it goes public later this month, now must convince investors in the next two weeks that it is worth all the hype. Top executives at the world's leading social network have kicked off their all-important road show on Wall Street -- an intense marketing drive ahead of the company's expected trading launch on the tech-heavy Nasdaq on May 18. AFP PHOTO/JOEL SAGET (Photo by Joël SAGET / AFP) (Photo credit should read JOEL SAGET/AFP/Getty Images)