<A target="_blank" href="http://content.usatoday.com/communities/technologylive/post/2010/11/firesheep-sidejacking-tool-highlights-risk-of-using-free-wi-fi/1?csp=34tech&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+usatoday-TechTopStories+%28Tech+-+Top+Stories%29">Free Wi-Fi is a great idea. Until... Security firm Sophos</A> has gone so far as to request that Starbucks put a password on their Wi-Fi systems.