Running a single mile — at about a 10-minute pace — consists of 1,700 steps. And each one of those steps produces ground reaction forces of about two and a half times your body weight. And you know ...

Thanks for your company today. Another rollicking day, albeit at a bit more of a normal pace than some of the other Tests in this series. It's another 10am start tomorrow. Join us then. 6.00pm Neser ...

Justin Jaffe is the Managing Editor for CNET Money. He has more than 20 years of experience publishing books, articles and research on finance and technology for Wired, IDC and others. He is the ...