CHART OF THE DAY: Twitter's Boom Around The WorldIn June, Twitter attracted 11 million visitors from Europe, 7 million from Asia Pacific, and 4 million from Latin America -- a total 22 million uniques from those three regions, up from about 2 million the year before. (Note that this shows Web traffic to Twitter.com, and doesn't include traffic via mobile phones, text messaging, etc. In other words, it's not a direct measurement of Twitter's memb
