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Workers spend 288 hours on emails

The a verage UK worker spends 288 hours a year writing emails and sends more than 4,000 in the process, according to research. A study into work productivity by O2 Business showed that more than a third of workers feel "overwhelmed" by the number of emails they have to deal with, with more than 10,000 emails entering and leaving their inboxes each year.

Some 59pc of workers said they used email more than any other form of communication. This is despite the same research finding more than half (56pc) of workers believe phone calls are more effective ways of communicating.

The figures were released to mark the launch of O2's Just Call Me app, which is designed to turn mobile numbers into conference calling bridges.