Great article by Kim about Google Voice. (Of course, I wrote about it in 2007 & 2012. But she has many more readers.)
You should check it out since there is some more good info there.
If we’re being honest, phone calls haven’t changed much in the last hundred years. Sure the hardware has improved from the old hand crank models – we’ve had rotary, touch tone, cordless, cellular, smartphone. But at its most basic level, someone calls your number and you pick up, or you let a machine answer it and take a message.
That process is simple, but…
You should consider it if you use your phone a lot but need “more.” It is free and works extremely well.