The fourth medium, namely the Internet, has a great influence on the practice and theory of news propagation.

第四媒体即因特网对新闻传播的实践与理论，产生了深广的影响。

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Yuvraj Singh and Mahendra Singh Dhoni rebuilt the innings with a 99-run stand for the fourth wicket but medium pacer Thisara Perera struck in his first over to remove Dhoni, caught behind by Sangakkara and Perera found more success with the wicket of Yuvraj.

BBC: Sri Lanka ease to win over India in Dhaka

Hamilton followed them home in fourth, slipping backwards in the closing stages on his 'medium' tyres.

BBC: Brilliant Button wins in Bahrain