As you no doubt have heard, Twitter’s traffic is growing at an incredible rate – the most recent numbers we’ve seen show that the microblogging service now attracts nearly 14 million visitors in the US alone (Nielsen Online, March ’08).
The research firm further projects that those numbers will double by the end of this year to 12.1 million users, and gap up another 50 percent in 2010 to bring the service to a total audience of roughly 18 million registered users