Glossary of Terminology

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302 redirect: the process of a server sending a browser the location of a requested ad, rather than sending the ad itself. Ad servers use 302 redirects to allow them to track activities such as ad requests or ad clicks.

3G: the third-generation mobile network infrastructure. As of 2007, 3G technologies were deployed by mobile operators in most of Europe, East Asia, and North America. Supports much higher data speeds than previous mobile networks, in some cases approaching wired broadband connections.

Core 3G technologies include:

• Edge
• Universal mobile telecommunications system (UMTs)
• CDMA2000
• LTW

A fourth generation of mobile network infrastructure (4G) is expected to provide further improvements in speed and . . .