http://fr.clipartlogo.com/image/glassy-wifi-symbol-clip-art_471251.html  -->nwifi clip art
http://www.slidegeeks.com/powerpoint-slides/21264-powerpoint_clipart_showing_computer_networking_icons_powerpoint_slide_graphics/ - connector
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSd-0BvcFMQckC0qsHzfpkY_ruIwf51kVxD4zE9mWZI0SZUuXqd0Q
http://www.vectorstock.com/computers-vectors
https://encrypted-tbn1.gstatic.com/images?q=tbn:ANd9GcSLAdkjCmbKkwqmBmxjargyM3xI3Tjno7f0wPGSxnL9Qc3fplS3
http://www.lifenliving.org/images/updates/corporateloc.jpg
https://s-media-cache-ak0.pinimg.com/236x/c2/e6/ef/c2e6efa639cacff1f93efea88da972aa.jpg
http://cdn.meme.am/instances/57993447.jpg