For some people, summer's a time to live at the pool. For others, it's a season better spent vacationing in another state or country. But as it turns out, a lot of people used this summer to become better acquainted with Twitter, increasing the overall number of tweets by 33 percent. A post on the Royal Pingdom blog stated today, "Twitter processed 2.64 billion tweets this August, an increase of 33% over May. Not a bad increase over just a summer. In August,