What started as a benign "fun" way to socialize, grew into a professional way to maintain one's network and make new connections, the report notes.

社交网络最初只是为了好玩儿，但后来成为维系个人关系网和结交朋友的专业途径。

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And that's to equip you properly, and make conditions safer for each and every one of you every day you step into harm's way -- each and every one of you.

WHITEHOUSE: THE WHITE HOUSE