- , Like Box.
Like Box . , .
https://developers.facebook.com/docs/plugins/like-box-for-pages
https://vk.com/dev/Community
http://apiok.ru/wiki/pages/viewpage.action?pageId=42476655
Google +
https://developers.google.com/+/web/badge/
, , Like Box , .
, , -:
https://developers.facebook.com/docs/plugins
https://vk.com/dev/sites
http://apiok.ru/wiki/pages/viewpage.action?pageId=42476656
Google +
https://developers.google.com/+/web
https://about.twitter.com/resources/buttons
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, .
, .
https://developers.facebook.com/docs/plugins/share-button
https://vk.com/dev/Like
http://apiok.ru/wiki/pages/viewpage.action?pageId=42476656&from=0oMe
Google +
https://developers.google.com/+/web/share
https://about.twitter.com/resources/buttons#follow
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. Open Graph.