engine - 3:03 pm on Oct 18, 2011 (gmt 0)
250 Million Tweets Per Day: Now What For Twitter? [news.cnet.com]
"We want to be part of the fabric over every communication in the world, and we think we can reach every person on the planet."
That goal, he said, makes Twitter distinct from what Facebook and Google+ is trying to achieve, which he described as social "as an end in itself."