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The company that makes the Roomba robotic vacuum cleaner is out with a new line of cleaners. The company says the new machines clean longer between chargings; can seek out dirt; and pick up more of it.

(Image courtesy of iRobot Corp.)

The Roomba shows that the market for personal service robots, after years of false promise, is starting to develop, according to Dan Kara, president of Robotics Trends.

Darker Side of Spam Spam is shifting from a nuisance to a hotbed of illegal activity, according to a report on the BBC.

Worse than Bombs? Spam and viruses are a bigger threat to businesses than terrorists, according to Australian business executives surveyed by AT&T.

Intel Still a Bellwether? Intel is sitting on a rising pile of chips. Its growing inventories are fueling concern that the tech economy recovery may be stalling.

Another Day, Another Security Warning Microsoft issued seven new security alerts Tuesday. Two of them are rated "critical." Install them, will ya?

Computer Ate My Vote Activists have presented 350,000 petition signatures to election officials, urging secretaries of state to mandate voter-verified paper audit trails.

Recycling Fight Dell and HP are trying to outdo each other in computer recycling. HP will accept old electronics equipment, from computers to televisions, at Office Depot stores from July 18 to Sept. 6. It's free. Dell, meanwhile, will pick up old computers at customers homes when they buy a new Dell machine.