Mylot.com is cool...what are some other really cool websites?

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Are there any other websites out there like this one, paid or unpaid? I am looking for some cool websites...I recently found 43things.com, which is pretty cool. As far as paid sites go, go to http://www.inboxdollars.com/?=critter028 (and help me out with referrals!). You actually CAN make money there...I havent been on here very long so I dont know how well I will do, but its really fun to vent! So share some of your favorite paying/ non-paying websites!