What's the Difference Between 3G and Wi-Fi?

By Rick Broida, PCWorld    Dec 2, 2011 10:10 AM

The Internet can be a confusing thing. Not what’s on it, but how you access it. In my travels I continue to encounter folks who don’t understand the basics of Internet connectivity--namely, the differences between Wi-Fi and 3G.
This can cause problems, especially for buyers of devices like the Kindle Fire and Nook Color, which rely heavily on Internet access. Read more...