Few good links I've received from friends:

- Interesting satelite images of Earth;

- New way how to discover / browse music - http://www.musicovery.com/

- All Web 2.0 sites directory, implemented Web 2.0 way

- On-line media conversion tool. Great for converting MP3 to ringtones :-)

- If you fly often, the SeatGuru will help you choose good seats and avoid bad ones

- interesting slow motion videos - http://www.redlake.com/gallery/videos/RDT.aspx

- animated knots

- nicely done Web2 (laszlo based) tool for selection of matching colors

and a nice quote:

There is no failure. Only feedback.