Standard IAB units

• 728 x 90 (Leaderboard)
• 468 x 60 (Banner)
• 234 x 60 (Half Banner)
• 300 x 250 (Medium Rectangle)
• 160 x 600 (Wide Skyscraper)

Rich-media / Social Ads

• Ads with Comments and Ratings.
• Social Ad Bar.
• Popularity ads.