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.

Haven't got a clue what you want beyond a "phone" or "tablet"? Tell Sortable your requirements and price range and it will suggest products that fit the bill.