There's a lot of stuff out there, and well, that creates too many sources of interests!
Here's some we think are interesting (though, you'd have yours, we hope you'd agree with us):
The Technical Web - An interesting blog that publishes some of the upcoming trends in technology like Cloud Computing, Mobile, Web/Social, etc.
Gijs van Wulfen, founder of the FORTH innovation method is an author and speaker on innovation, is a thought leader on LinkedIn.
His book "The Innovation Expedition" (cover shown here) is a visual toolkit for a successful start to innovation.
His recent post on LinkedIn - How to Get Rid of Old Ideas - is simple, yet, key to trigger innovation.