These are a few links that I find handy for all occasions.

link: why recommended?

Education

dictionary.com: In case you need some help with definitions or word selection.

wikipedia: Not that reliable, but sure fun.

Shopping

retailmenot.com: For help getting the best deal online.

Entertainment

NPR: A little education for your ears.

abc: For getting Lost.

vh1.com: The more user friendly of music sites. I find the other ones overwhelming.

pandora: It is an interesting way to explore your musical tastes.