CloudFlare has supported a way to purge your cache for the last year. Unfortunately, it was all or nothing. While that, for practical purposes, didn't cause a significant performance hit for most websites.
One of the behind the scenes topics we think about a lot at CloudFlare is how to handle abuse of our network. I realized that we hadn't exposed our thoughts on this clearly enough. In the next few days, we'll be making some minor updates to our Terms of Service.
A huge storm rolled across the eastern United States last night, topping trees and knocking out power. Amazon Web Services (AWS) had one of their primary data centers in Virginia lose power.
HTTP, the protocol of the web, is unencrypted by default. That means it is trivial for someone using the same local network as you to spy on all the data you send to and receive from most websites.