Labor protests in the high-tech industry are rare, but <A HREF="http://www.cio.com/article/183750/IBM_Workers_Protest_Pay_Cuts">IBM is in the midst of one</A>--and it's unfolding entirely online. Instead of waving protest signs outside the company gates, affected workers are airing, in comments accompanying an online petition, disappointment, anger and bitterness with the company over a salary cut affecting six percent of IBM's U.S. workforce.