Technology Penetration

I was searching the Internet to see how many households have PCs these days, and ran across an interesting article on technology penetration in general.  I thought it was a little wordy and condensed it into a spreadsheet:

https://spreadsheets.google.com/spreadsheet/pub?hl=en_US&hl=en_US&key=0ApP3THiYXqgGdC1rTklxNzZlb0xieWtNLUJKSFczSFE&output=html