Consider the following about your computer keyboard and telephone...

• 70% of dust is made from dead human skin cells...and at work, they're more likely to be your co-workers than your own.
• if you left a sandwich on your desk, what would it look like after 2 weeks? What about the breadcrumbs that fell into your keyboard 6 months ago?

A typical keyboard is infected with an astonishing 3,295 germs per square inch, according to researchers. That makes your keyboard much dirtier than your rubbish bin - or even your toilet seat. And scientists have uncovered a vile assortment of bugs and viruses festering on keyboards in homes and offices across the UK.