"On the one hand, microblogs can reflect the social situation and public opinion, and broadcast a positive public voice, " Mr Wang was quoted as saying by Reuters news agency.

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Candidates can perpetuate the voice of their supporters or even a positive profile of their issue on Fox News (and on that note, pay attention to how journalists are tapping social media to improve political coverage).

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This achieves two positive outcomes: it increases flexibility, and it creates worker voice.

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"Celebrities partner up with charity organizations because their influential voice in pop culture can make a difference, but also because it is positive for their public image, " says Kyle Hulcher, a New York-based publicist with the Entertainment Fusion Group.

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Meanwhile, Office of Rail Regulation chairman Anna Walker said that although it was "positive" to see "good levels of passenger satisfaction", it was clear that "passengers continue to voice familiar concerns".

BBC: Rail passengers 'more satisfied'