However, for the purposes of this blog we are going to focus on the area of online advertising that is the most ripe for abuse, real time bidding (RTB). Inside of each of these categories there are a wide variety of options for the advertiser. It typically will have some sort of identifier saying “Sponsored Content” and when a user clicks the link they are typically taken through the ad network to another site. Sponsored content, on the other hand, can appear on a page mixed in among the original content on the page. Most users are familiar with banner ads as they tend to be somewhat isolated from the content of the webpage. One common distinction is between sponsored content and banner ads. So how does this complicated industry operate and how are ads served to users? There are numerous types of online advertising and associated ways to make money from it. To put that in perspective, that’s as large as the annual revenues for leading aerospace and multinational banking companies. In 2018, the United States digital advertising revenue exceeded $100 billion. The coordinates of a location within each zone are defined as a planar coordinate pair related to the intersection of the equator and the zone’s central meridian, and measured in meters.Įlevation above sea level is a measure of a geographic location’s height.Online advertising is big business. UTM or Universal Transverse Mercator coordinate system divides the Earth’s surface into 60 longitudinal zones.

Negative longitude values correspond to the geographic locations west of the prime meridian (abbrev. Positive longitude values correspond to the geographic locations east Longitude is counted from the prime meridian ( IERS Reference Meridian for WGS 84) and varies from −180° to 180°. Negative latitude values correspond to the geographic locations south of the Equator (abbrev. Positive latitude values correspond to the geographic locations north of the Equator (abbrev. The latitude of the Equator is 0° the latitude of the South Pole is −90° GPS systems widely use coordinates in degrees and decimal minutes, or in decimal degrees. The canonical form of latitude and longitude representation uses degrees (°), minutes (′), and seconds (″). Geographic coordinates (latitude and longitude) define a position on the Earth’s surface. Satellite navigation system (the Global Positioning System). WGS 84 coordinate reference system is the latest revision of the World Geodetic System, which is used in mapping and navigation, including GPS

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