First came SatNav for lost drivers. Now there's 'SatLav' for those in central London who really, really need to 'go'.
An SMS-based toilet-finding service was launched today by Westminster City Council. It promises to guide Londoners and tourists to their nearest public lavatory.
Anyone who sends the word 'Toilet' to 80097 will receive a reply giving details of their nearest public convenience.
26 year-old student Gail Knight came up with the idea for an innovation competition run by the council.
'When I'm out with friends we're always ducking into McDonalds or department stores to use their loos but we feel a bit bad about it,' she said. 'I thought a text service would be really useful for people on the move.'
The City Council hopes this will cut down on public urination in the streets.