他们还可以看到访问他们网页的谷歌用户的背景，并向谷歌搜索和地图服务的用户发布他们的服务广告。
They also can see the origin of Google users who visit their page and sign up to advertise their services to users of Google's search and maps.
谷歌的社交媒体业务有两个目标：一方面是遏制Facebook的发展势头；另一方面则是利用Google +收集的数据来改善谷歌的搜索、地图服务和广告等业务。
Google has two goals with social media: One is to slow the momentum of Facebook; the other is to use data from Google + to improve things like search, maps, and ads.
至于中国，布林说谷歌正在评估，包括仍在中国运营的，比如地图和音乐搜索服务。
As for China, Brin said Google is reviewing its businesses, including the ones it still hosts in China like maps and its music search service.
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