Police PR chief Steve Hui urges viewers to give the page a "like". Photo: Bruce Yan
Police PR chief Steve Hui urges viewers to give the page a "like". Photo: Bruce Yan

Thin blue likes: Four Facebook lessons Hong Kong cops can learn from police around the world to make friends online

Police PR chief Steve Hui urges viewers to give the page a "like". Photo: Bruce Yan
Police PR chief Steve Hui urges viewers to give the page a "like". Photo: Bruce Yan
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