Mayor
Bloomberg joked about his own adventures on social media while introducing Facebook COO Sheryl Sandberg at a party for her book “Lean In.†Bloomberg…
via NY Post: Page Six http://www.nypost.com/p/pagesix/mike_fun_face_iVHvj4Li3LzsaRF6mHZ0zL?utm_medium=rss&utm_content=Page%20Six