Share 'Will Google Voice make a big difference in your life?'

If you're not familiar with Google Voice, here's the deal: once you sign up (it's free) you're assigned a phone number with an area code of your choosing. Calls to this number can be set to reroute to any number of phones, meaning you can have one number that rings your office and your cell. If you don't pick up, your voicemail is stored online, where's it's accessible via any Web browser--or it…