From a Popular Mechanics article on top tech terminology for 2013 -
Cognitive Radio - Not so much a new kind of radio, but a way of identifying and using the small bits and pieces of radio frequency available locally in order to push more data faster than current Wifi applications. There's a test market that's using cognitive radio technology for mobile broadband and VoIP (Voice over IP) applications.
Targeted Tweets - Social media is public - and can be data mined. This new "tech" refers to the ability of advertisers and others to automatically scan posts for key target audience elements, and then sent you highly targeted ads/offers.
Source - The 10 Tech Terms to Know in 2013, Popular Mechanics