FYI, the following common household items all contain microprocessors:
PCs; pdas; most mobile phones; fax machines; tvs & videos(in the tuning area); keyboards; music keyboards; many fridges, freezers, washing machines, & microwave ovens; some cookers; Even some remote control units for tvs, etc; All digital Cameras, etc. etc. The humble PC contains a microprocessor in the keyboard, each hd or cdrom, each video card. Even mice have a cpu, and many internal and external devices attached. All non vintage cars contain several; Engine management, fancy displays, many self contained automated units, and even pedestrian things like variable speed wipers.
This is because it is easier these days to insert a microprocessor and fiddle with the code than to put the same design in hardware. Development time is faster. Many of these are no longer separate chips which stand out as a microprocessor, but simply a few sq.mm. in a bigger chip, and recognizable only in the design stage.