Artists like Lady Gaga and Elvis are also notable, and recent successes in the virtual world involving Snoop Dogg could be the beginning of something seriously real - or, virtually real.

艺人像Lady Gaga和猫王也很值得关注，当然最近在虚拟世界中的成功人物要属史努比狗狗了，他可能是开启了一些很现实的东西，或许是虚拟的现实。

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Stars like Justin Bieber, Kim Kardashian and Lady Gaga have shown how powerful it can be to have fans feel like they are friends with a celebrity.

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Many professionals worry about the time commitment involved, which (if you look at celebrities who are active on social media, like Lady Gaga or Richard Branson) can be significant.

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Then there are celebs like Lady Gaga and Rihanna who wear outfits that appear to be intentionally designed wardrobe malfunctions, from see-through blouses to bathing suit tops slightly bigger than a 50-cent piece.

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