Every time you try to get anything on the Internet these days, you find it’s so busy that you get the feeling that snail mail would be quicker, and the Wall Street Journal has turned up another problem with electronic mail – it’s so little trouble to create and despatch – and broadcast – a message that busy people end up spending all their time sifting the big stuff from the barmy: at Powersoft Corp, chairman Mitch Kertzman told the paper that among all the hundreds of messages he got last week was a note to all employees from a worker who wanted to sell his dog.