It’s a rare startup that closes a $20 million venture round and doesn’t bother to mention it more more than half a year. But Cloudflare, the almost-winner of TechCrunch Disrupt: SF 2010, did just that. They raised a healthy $20 million last November, on top of a more modest $2.1 million](http://www.crunchbase.com/company/cloudflare) raised in 2009.
