see more

A blackboard is decorated with heart symbols and a message that reads 'I Love Facebook' inside the offices of Facebook Inc.'s European headquarters at Hanover Quay in Dublin, Ireland, on Thursday, March 14, 2013. Ireland’s renewed competiveness makes it a beacon for the U.S. companies such as EBay, Google Inc. and Facebook Inc., which have expanded their operations in the country over the past two years. Photographer: Simon Dawson/Bloomberg via Getty Images

A blackboard is decorated with heart symbols and a message that reads 'I Love Facebook' inside the offices of Facebook Inc.'s European headquarters at Hanover Quay in Dublin, Ireland, on Thursday, March 14, 2013. Ireland’s renewed competiveness makes it a beacon for the U.S. companies such as EBay, Google Inc. and Facebook Inc., which have expanded their operations in the country over the past two years. Photographer: Simon Dawson/Bloomberg via Getty Images