Spire is not burdened by copyright issues, according to its developer, and appears to be free of piracy.
Apple swings into Christmas gear with iPhone 4S ad that features Santa Claus recruiting Siri as his latest little helper.
Microsoft is rolling out an Xbox 360 system update that uses the Kinect sensor to turn your voice into a remote control.
You can enjoy Siri and practice good etiquette at the same time.
Apple answers criticism from human rights organizations about Siri's failure to understand queries about birth control and abortion.
Despite widespread availability, voice control never gained traction because the effort required to get it to work right wasn't worth it for most people.