List lovers of the world rejoice! This site allows you to collect and categorize your data. Use cases include tracking the street food vendors you've visited or collecting your favorite Hot Sheet items in 2011.

If you're an avid online shopper, utilize this service to keep tabs on your purchases. Sync your email account, and you'll have the ability to see what you've purchased, what's in transit and how long you have to return an item. It's also a handy way to keep tabs on expiration dates for purchases you make from daily deal sites like Groupon and LivingSocial.