It acted after lawyers and privacy campaigners condemned JustSpotted.com as an invasion of privacy and a potential weapon in the hands of violent stalkers who want to harm TV, pop or film stars.
The website, which is scheduled to begin operating next Tuesday, aims to track the movements of the famous.
Dropped: Twitter has cut links with the new website that plans to 'stalk' celebrities
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It aims to collect information on stars and their whereabouts from their own postings on social networking websites and from sightings sent in by the public. The information would then be overlaid on a map of the world.
But yesterday, as the privacy row gathered momentum, Twitter executives distanced themselves from JustSpotted.
Twitter spokesman Matt Graves said: ‘This is not the product we licensed, and we have terminated their agreement.’
JustSpotted is being launched in the U.S. by three internet entrepreneurs who say it is ‘meant to give fans an idea of what their favourite celebrities are up to at any given moment’.
But lawyer Rod Dadak, head of defamation at the Lewis Silkin firm, said the site might break anti-stalking laws.
‘I don’t think this site will survive,’ he said. ‘It could be seen as inciting people to pay celebrities a visit. It could amount to a criminal offence, and it is certainly invading privacy.’
Daniel Hamilton, of Big Brother Watch, which campaigns to preserve privacy, said: ‘Aside from being hugely intrusive, it is a gift to stalkers and weirdos who could misuse it to harass celebrities.’