An iPhone app lets women create their own virtual personal trainer that can be Shared with friends.

这个iPhone应用程序可以让女性创建自己的数码个人教练，并与朋友进行分享。

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The map also shows the positions of nearby friends who have enabled a feature that lets them be seen by others.

如果朋友允许他人看到自己的方位，地图上还将显示附近的朋友的位置。

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Lets just be friends.

让我们作个朋友吧。

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The New Year's Midnight Delivery feature on Stories lets users write messages to friends to be automatically sent after midnight.

BBC: Wales