PCWorld: 10 Gmail Labs Features You Need Now
“Clicking the “Labs” tab under “Settings” in Gmail gives you dozens of optional features that make Google’s mail service easier, better or more fun. Here are 10 of the best features to enable in Gmail Labs.
Google Search
This feature creates a pop-up window so you needn’t leave Gmail to search the Web. New features, added today, that appear atop search results include dictionary definitions, spell check, a calculator, weather, news and local businesses.”