This is how I think we'd communicate In 20 years...
Post date: Jan 21, 2013 1:37:21 PM
There'd probably be special mind reader gadgets that would voice or text produce our thoughts, and based on commands we give, transmit them to a specified recipient.
So at the apple store or Bestbuy one could ask an attendant "Do you have in stock 20PB mind readers please"?