By CHRIS TOMLINSON A strange fleet of black cars has been seen wandering around the UK. I spotted one of these mysterious cars, with its blacked out windows and a weird periscope type mast sticking out of its roof, last week.

By CHRIS TOMLINSON Much has been made of the viral nature of the internet and how 'word of mouse' can make brands famous over night. However, if we keep modelling our online communications on a disease, the internet will quickly develop an immune system.

By CHRIS TOMLINSON If you like writing and have opinions, the internet could provide the perfect job for you - article writer. You might have thought that the web had enough self-appointed experts, but it seems its thirst for editorial content cannot be quenched.

By CHRIS TOMLINSON Many online pundits declared 2007 to be the year of the video, with traffic to videosharing sites doubling from the previous year. I suspect most online citizens now visit YouTube at least once a day. I love the word video - it's a survivor.

By CHRIS TOMLINSON Google's open season on company trademarks has started.