You can:
1) Send a message or a picture on channel facebook*
"Happy birthday Ghostbusters" http://www.facebook.com/pages/Happy-birthday-Ghostbusters/230057553678000
2) Send a message or a picture on the Sony channel
"Happy birthday Ghostbusters" http://boards.sonypictures.com/ghostbusters/showthread.php?p=7461#post7461 and http://www.gbfans.com/community/viewtopic.php?f=37&t=26007
3) Send an email to info@ghostbustersmania.com subject of the email: "Happy birthday Ghostbusters"
4) Can you suggest other initiatives:
GBFans Facebook: "What a better way to celebrate Ghostbusters Day than to give away a Ghostbusters 2 action figure! We are giving away our Ghostbusters 2 Winston Zeddemore Slime Blower figure to one of our Facebook fans. Here is how you can get it. Comment on this and post your favorite quote from Ghostbusters. Get as many people as you can to like your comment and you win! The fan with the most likes on their quote wins!" http://www.facebook.com/ghostbustersfans
Are you ready?
USA 7 June 1984 (Westwood, California) (premiere)
USA 8 June 1984
Australia 15 November 1984
Italy 21 November 1984
Spain 5 December 1984
Hong Kong 6 December 1984
Sweden 7 December 1984
UK 7 December 1984
France 12 December 1984
Netherlands 13 December 1984
Norway 13 December 1984
Portugal 13 December 1984
Denmark 14 December 1984
Finland 14 December 1984
Brazil 21 December 1984
Japan 22 December 1984
South Korea 22 December 1984
Colombia 25 December 1984
Argentina 27 December 1984
West Germany 25 January 1985
Philippines 26 January 1985 (Davao)
USA 23 August 1985 (re-release)
USA June 2009 (Los Angeles Film Festival)
Canada 6 February 2010 (Digital Film Festival)
Source: http://www.imdb.com/title/tt0087332/releaseinfo
