Homepage Banners:
Square Banner: 250px by 300px: 45,000
Skyscraper: 160px by 600px: 65,000
Leaderboard: 728px by 90px: 65,000
Inner Pages
Square Banner: 250px by 300px: 36,000
Skyscraper: 160px by 600px: 52,000
Leaderboard: 728px by 90px: 52,000
Cover story pages
Square Banner: 250px by 300px: 50,000
Skyscraper: 160px by 600px: 72,000
Leaderboard: 728px by 90px: 72,000