Webwire: Profit warning hits CWC shares; Twitter buys TweetDeck

Shares in Cable & Wireless spin-off CWC slumped 12% on Wednesday after the company warned that difficult trading conditions in the Caribbean are likely to affect its future earnings.
 
Twitter has acquired TweetDeck in a deal believed to be worth around $40 million (€46 million). The TweetDeck app, which organizes feeds from Twitter and other social networks, has been downloaded 20 million times.
 
Apple has admitted to the existence of Mac Defender, a malware program targeting its Mac OS X platform that the company has been keeping quiet about since it was discovered at the start of the month.
 
Sony shut down its Sony Ericsson website in Canada and suspended services in Indonesia and Thailand after detecting fresh intrusions. The firm also revealed an attack on its Sony BMG site in Greece.
 
China Unicom has launched a cut-price 66 yuan (€7.17) per month iPhone plan as it seeks to stave off growing competition for iPhone users from China Mobile and, potentially, China Telecom.
 
YouTube users are watching over three billion videos a day – up 50% from last year – and upload 48 hours of video every minute.

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