-More than 60 per cent of Twitter users have stopped using the micro-blogging service a month after joining, according to Nielsen Online research released on Tuesday.
"Twitter has enjoyed a nice ride over the last few months, but it will not be able to sustain its meteoric rise without establishing a higher level of user loyalty," said David Martin, Nielsen Online's vice president for primary research.
Martin, in a post on the company blog, said that more than 60 per cent of Twitter users fail to return the following month.
"Or in other words, Twitter's audience retention rate, or the percentage of a given month's users who come back the following month, is currently about 40 per cent," he said.
"Let there be no doubt: Twitter has grown exponentially in the past few months with no small thanks to celebrity exposure," he said in a reference to new users
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