I'm curious to get some feedback on CloudFlare's RailGun program from anyone who has used or implemented it. The concept looks interesting, but I do tend worry about new things. Has anyone used it? Do you like it? Do you still use it? Anything else you want to share?
(Note: I'm specifically interested in CloudFlare's "RailGun" software/service. I'm not asking about CloudFlare themselves or their regular product... But I suppose you can share your thoughts on them too, if there is something very important to add.