Companies Facebook Inc (FB)’s Wedge Could Threaten Cisco Systems, Inc. (CSCO), Aruba Networks, Inc. (ARUN) and Juniper Networks, Inc. (JNPR)?By Viki K.June 22, 2014 Facebook Inc (NASDAQ:FB) is on a roll lately and after a threat to Snapchat with its Slingshot that targets Snapchat’s…