Mozilla, these guys, absolutely awesome. Not only are they showing their continued support for JSConf EU, they are sponsoring this year's Hacker Lounge and to top it off, are running a documentation sprint that will get us, the JS community closer to kick-ass documentation.
Mozilla invites and supports you, the JS community to help making MDC more vendor agnostic(!), more up to date and more reflective of the rough world out there rather than focusing on a Mozilla centric world view. If you have some spare time during the conference or after, perhaps you could review or fix an article, or just flag something for others to check.
We say, more power to Mozilla! Glad to have you on board again!
PS: Something that we just can't hide from you. For our sponsors we prepare a tiered offering for sponsorship opportunities. Sponsors then pick one and usually negotiate a few things up and down the different scales we offer. Mozilla picked a tier that includes a speaking slot. Instead of telling us who should speak there, their request was to take the point out of the offer so that Mozilla employees could compete on their own merits for a speaking slot (which they did, and boy, well). HOW GREAT IS THAT?! If you can't tell by now, we just love Mozilla :)