Provide banners for offsite promotion at the following sizes:
Large Rectangle : 1180x179px. < New size
Large Rectangle : 336x280 px.
SkyScraper : 120x600 px.
Wide Skyscraper : 60x600 px
Leaderboard : 728x90 px

Using these call to actions:
Early Bird Discount Starts Now!
Early Bird Discount Ends 18 Nov!
Speakers and Sessions Announced!