A network failure at a Federal Aviation Administration facility in Georgia caused some 650 flight delays at U.S. airports last Tuesday. The FAA said the glitch was likely caused by a software problem.

The European Court of Human Rights agreed to allow accused hacker Gary McKinnon to be extradited to the U.S. McKinnon, who is accused of breaking into NASA and U.S. military computers in 2001, appealed his extradition. He contended that, if convicted, the conditions he faces would breach European prohibitions on inhumane treatment.

Microsoft Corp. released a second beta of Internet Explorer 8, meeting a promise made by Chairman Bill Gates that it would be ready by August.

Cisco Systems Inc. has agreed to buy PostPath Inc., a maker of e-mail and calendaring software, for US$215 million. Once the deal closes this fall, Cisco plans to add the PostPath tools to its WebEx Connect line.