According to Google fellow Singhal, while desktop search traffic tends to dip during the winter holidays and summer vacation, mobile doesn't experience a similar slump.

根据辛格尔的说法，虽然桌面搜索流量在寒假和暑假期间呈现下滑趋势，但移动搜索并未遇到此类问题。

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The idea that the dip in signals from mobile phone masts can be used to measure precipitation was first put forward in a paper in Science in 2006.

BBC: Rain tracked with mobile network