The State Department is moving ahead with a plan to implant electronic identification chips in U.S. passports that will allow computer matching of facial characteristics, despite warnings that the technology is prone to a high rate of error. • Google Offers Post-IPO Scenario • 2004 Interactive Laptop Guide • Personal Tech Special Report • Today in Photos -------------------------------------------------------------------------------- Search news on washingtonpost.com Missed Tech Tuesday? Running software updates can help plug gaping security holes. Plus, preview the anticipated Windows Service Pack 2. Federal researchers, academics, industry experts and some privacy advocates say the government should instead use more-reliable fingerprints to...