What sort of 'other information'?
I was intending to write the competition/submission thread and set it on a timer so that the competition begins when it's automatically posted.
The rules (barring the rule about themes, which I delayed adding in case we ended up with a tie) and event dates are currently on the 'status' page.
Information about how to submit an entry would have been available on the comptetition/submission thread.
I can certainly publish the page prior to the competition starting if that would be more useful.
Regarding social media, I had assumed that the intent would be to get people to post 'tweets' using a 'hashtag' like "#pok15contest" or "#pok15compo", but now I take it that there's more to it than that?
(As I suspect many people have realised by now, I don't use Twitter or Facebook.)