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Is it the end of SMS text messaging?

3 May 2013 Last updated at 13:06 BST

Instant messaging on chat apps like WhatsApp have overtaken the traditional SMS text message for the first time, losing valuable revenue for the mobile phone networks.

Microsoft builds Skype into its Outlook.com webmail service and the worldwide web celebrates 20 years.

Spencer Kelly looks at these and other tech news stories.

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