For now, I'm just going to add links here as I think of them, and categorize them only when there are enough links that makes sense.

Check with the Virginia Lottery to see if you're a millionaire. Although you've got to play to win.

Use Flight Tracker to track a flight in real-time. You only need to know the airline, origin and destination airports, then you can select the flight from a list if you forgot the time or flight number. Or if your husband never told you in the first place. . .

This site has a really nice FAQ about Guitar Hero III.