USB, Bluetooth the tops in digital interfaces
For cell phones, Bluetooth pretty much tops the list.
Flash drives topped the list of devices connected to computers via USB, followed by printers and
For home and business use, 1394/FireWire, Bluetooth, DVI and HDMI rounded out the list of the most popular digital interfaces. But when it came to cell phones, Bluetooth was quite popular — more than half the survey respondents had the technology on their mobile phones and of those, nearly 60 percent used for a headset.

The survey was conducted online with 1,379 respondents in October in the United States. They were queried about what they connected to their computers with these interfaces and all sorts of other details, but the entire survey costs $1,995, so you'll have to cope with what could be garnered from the abstract and the condensed BusinessWire version.