It has been polluting my stream and reducing my enjoyment and participation in the social network for the past few weeks.

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An association with the Visa brand helps a customer (bank and other financial institution) to attract consumers by providing them with a large network of Visa merchants and ATMs. Thus participation in Visa card programs is beneficial for banks and other financial customers.

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The Global Network of Young TV Producers on HIV and AIDS involves the participation of broadcasting organizations in Africa, Asia Pacific, Latin America and the Caribbean, and Europe.

UNESCO: Communication and Information

Its work led to the first Global Interfaith Network on Population and Development, launched in 2008, with the participation of more than 160 faith-based organizations and religious leaders.

FORBES: UN Population Fund Executive Director on HIV/AIDS, Maternal Health, and Leadership

In theory, Walrath's concerns should also apply to any online ad network--if a major player acquires it, that could scare off participation from its rivals.

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The increased interest for the Mediterranean Diet led to the enlargement of the network and the submission of a new multinational nomination file in 2012, with the participation of three more states: Croatia, Cyprus and Portugal.

UNESCO: CYPRUS NATIONAL COMMISSION FOR UNESCO - Meeting for the Protection and Promotion of the Mediterranean Diet (Agros, 28-29 April 2014)