Cell Phone Homes with No Land Line Phone

An interesting article in the San Francisco Chronicle about mobile phones replacing land line phones as the only or primary phone in households in the U.S.

According to a study by the CDC, 20.2% of all U.S. households have no land line phone - only mobile. An additional 17.4% have a land line but still use their mobile for almost all calls.

This chart - from the CDC study shows the population with no land line by age.

If I am marketing to the 30 and under crowd, I better be thinking hard about my mobile web app or my i-Phone or Droid apps.

This is even more pressing when combined with this ReadWriteWeb article predicting 1 billion plus mobile web users in 2010 - that's next year - wait - next month - friends.