Write to me, ember at burningman dot com. Or, if you have something of more general interest, please post it in Discussions. You'll need a Google account to log in. A first posting to Discussions will pause until I've looked at it; after that there should be no delays.
On playa, the Gray-B-Gon (tm) warranty and spare parts departments and the visitor information center will be found in the Alternative Energy Zone. Tours daily at 11:03 am, starting Tuesday.