It is pretty easy to find a report that looks at the number of landlines being dropped and then projects that soon, everyone will just have a cellphone. I have written about this before, but it has become a pet peeve of mine. Lots of people do not need a landline, but many others do, especially businesses. I spent a frustrating fifteen minutes on the phone today with someone trying to do business over a cellphone, and it was a mess--drop outs, fuzz, and noise made it almost impossible to carry on a conversation. Cellphones are great, but they are NOT a complete replacement for a wired connection.
The big change for businesses will be from analog phone lines to VoIP. That has been happening for a while, but it will continue to accelerate. In ten years, there will be very few business or residential analog phone connections left.