Trending topics helped make Twitter a more relevant metric of what the world was talking about at any given moment. Google has worked for years in the space, most notably with Google Trends and Hot Searches, but Google+ offers the search giant the ability to see what is truly trending in real time.
热门话题帮助推特成为一个更相关的指标，衡量世界在任何特定时刻所谈论的话题。谷歌已经在这个领域工作多年，最著名的是谷歌趋势和热门搜索，但谷歌+为搜索巨头提供了实时查看真正趋势的能力。
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