Written by Michael Bigger. Follow me on Twitter.
@specialsin: Asif Suria writes a great investment newsletter. Check out his latest post on the Ipad.
@harmongreg: I enjoy reading Greg Harmon's comments on his technical charts. More often than not he is right!
@werner: CTO - Amazon.com. Blazing new trails in cloud computing. Must read for $amzn investors.
@....whatever company you own in your portfolio: Learn about your portfolio companies by watching how they interact with customers on twitter