Have you ever taken advantage of one of the thousands of free public Wi-Fi hotspots? They're very convenient, but be careful, security can be an issue. CNET's Lexy Savvides writes:
"Stuck without a data connection on the road? Free public Wi-Fi is one of those little luxuries that can make travelling easier, but you do need to exercise caution in how you use it." Her article lists some tips on what you should be aware of when using a public Wi-Fi. You can read her article here.