#pressedconf18 run by @nlafferty & @Patlockley on Twitter was inspiring, 12 hours of organised #WordPress in EDU tweets. Starting holidays head a buzz, best fun I've had on Twitter for a while. Much better use of twitter than news feed. Blog posts popping up archiving presentations too.
My tuppence worth:
Server run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome as long as you follow our code of conduct!