Just as important as the 200 lines of code that made up the e-mail software was Mr Tomlinson's elegant way of organising the addresses of people and the computers that held their e-mail account.
Luisa also lets us in on a little secret - the vintage clothing shop Cavalli e Nastri, which stocks elegant fashions from the the 19th and 20th Centuries.
The categories range from "Pain Free", which tries to find who is making shopping online as straightforward as possible, to Best Family e-Business, which targets smaller online retailers such as hotel chain Elegant English Hotels and pharmacist Allcures.com.