While not as common as the banner ad, the skyscraper is another prevalent form ...

A long vertical banner ad, usually measuring at least 400 pixels tall.

Creative with dimensions 120x600 or 160x600 pixels.

a very tall building with many stories

a boast in glass and steel

a large vertical rectangular advertisement that appears down the right hand side of every page

a long, thin, vertical structure, but if you turned it sideways, it would be like a diving board, and you could bend it on the end

a tall building that seems to be scraping the skies

a tall building, usually with a steel support frame or support skeleton

a very tall structure with about four main parts to make it stand

A skyscraper is a tall ad format served down the right hand side of a web page. (120x600 pixels)

a tall, thin online ad unit. The IAB guidelines recommend two sizes of skyscrapers: 120 X 600 and 160 x 600

A type of ad unit that is much taller than it is wide.

Vertical form of the banner ad suited to placement in a column, usually on the left or right edge of the page. A common size is 120x600 pixels.

A tall skinny ad.

A vertical ad block.

A 120x600 pixel interactive online advertisement in the form of a graphic image that typically runs vertically along the sides of a webpage. May be GIF or JPEG images or Rich Media such as Flash. Many ads are animated since animation has been shown to be more effective. The Leaderboard is 120 pixels wide by 600 pixels high. See Creative. Slot: Adjungle divides each Zone into slots; each slot contains an ad that is shown to the reader, and AdJungle rotates through each slot to mix up the ads. An advertiser can purchase 1 or more slots on a zone.

An online ad which is taller vertically than it is wide horizontally, thereby resembling the shape of a skyscraper.

A vertical banner which is usually sized 120x600.

A vertical ad unit that measures 160x600 or 120x600 pixels.

A skyscraper is a very tall, continuously habitable building. Although there is no official definition, a minimum height of approximately 150 meters or 500 feet is often used as a criterion for a building to qualify as a skyscraper. Other criteria like shape and appearance may also affect whether or not a building is considered a skyscraper.