It's a resource we've all needed for years -- ever since Gogo began its quest to infiltrate each and every airline cabin in America in hopes of installing a router or two. HasWiFi is a simplistic (read: won't kill your mobile browser) site that serves one primary purpose: to tell you whether or not your upcoming flight will have sweet, succulent in-flight WiFi available. Better still, users can even vote Yes or No to whether their flight actually does have in-flight WiFi you know, in case a carrier yanks it from one plane or installs it in another that's not listed. And if you're already down with TripIt, well, searching gets even easier. Head o