New ad banner sizes

Some new ad banner sizes have been suggested through Online Publishers Association. They are not part of the industry's standard specifications set by the Interactive Advertising Bureau.

• The fixed panel, a 336-by-860-pixel banner that is wider than the standard skyscraper and follows users as they scroll down the page.
• The XXL box, a 468-by-648-pixel unit that can expand with video.
• The pushdown, a 970-by-418-pixel placement that takes up over half of the page before rolling up.

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http://www.adweek.com/aw/content_display/news/digital/e3i77fdd1ea9c8421a4fcf75b32b1ce2ccb?pn=1