The ability to find Wi-Fi without having to use Wi-Fi is especially useful when you're traveling and not using 3G/4G.
-- Isabel Eva Bohrer
Isabel Eva Bohrer is a writer and photographer based in Madrid, Spain, where she publishes . Learn more about her work at .
is online managing editor at Computerworld. Her email address is smachlis@computerworld.com. You can follow her on Twitter @sharon000, on , on or by subscribing to her RSS feeds: