Think email is dead? Think again. RebelMouse, a state of the art new media tool which pulls content from from Facebook, Twitter, Instagram, and Google+ into a custom social front page online, is using email to engage its users. The company works with MailChimp to send out daily email newsletters. “As much as we’re told e-mail isn’t sexy, no one sends more e-mail than Facebook or Twitter," Paul Berry, the CEO of RebelMouse told Wired.