A: Tagging is the act of assigning your own keywords to things online-photos, blog entries, bookmarks-so that you can easily categorize, locate, and share them in the future. One of the best examples is del.icio.us, which lets you save Web bookmarks to a page on the site instead of to a file stashed away on your computer. This way, you can access them from anywhere and let other people see what sites you like.

A: As my mama once told me, there´s no such thing as a completely free iPod. But in this case, she may have been wrong.Many of the sites in question—FreeiPods.com, FreePSPs.com, FreeDesktopPCs.com, FreeFlatScreens.com-come from one company, Gratis Network, which has earned a reputation as being fairly legit by actually giving away thousands of free items. So what´s the catch?