The team at Dartmouth College mined 180 million tweets from 900,000 users to understand word clippings — like "awks" as "awkward." The researchers want to understand how such words originate and how they spread.
Politicians of the world have caught on to the fact that Twitter can help get out the party line.
The president said intelligence agencies would now need court approval before accessing phone data of hundreds of millions of Americans. He also directed the agencies to stop spying on the leaders of friendly nations. The changes come amid criticism directed at the NSA.