Can be a huge time waster. The irony for us in startup land is that it’s our job to stay informed.
Startup blog advice: If you need to stay on top of a broad topic find a good aggregator.
Someone who’ll cover stuff when it becomes important enough for you to know. Seth Godin does this for me as far as web 2.0 and new marketing is concerned. Startup blog does this for you as far as keeping your mind thinking as an entrepreneur should.
Got some good short cut summary sites? On new technology, web sites, new businesses? Add them to comments.