Billions of tweets have been sent since its last injection of capital. But Twitter has just announced it is getting another $200 million in funding, which puts the micro-blogging service at a $3.7 billion valuation.

The suck-up effect

wagger1

6/25/07 11:03am

In his latest guide to startups, Netscape cofounder Marc Andreessen unwittingly offers a rational explanation for Silicon Valley's Facebook frenzy: Sucking up. First, venture capitalists, in their endless neophilia, started using the social networking site. Then entrepreneurs joined in, too, in hopes of impressing…