リアルタイム検索
↑ RT @google: Tweets and updates and search, oh my! Official Google Blog 2009-10-21
↑ http://money.msn.com/business-news/article.aspx?feed=AP&date=20110704&id=13857152
↑ http://searchengineland.com/google-realtime-search-goes-missing-84130
↑ https://japan.cnet.com/article/35004823/