Exercise and diet has gone out of the window

[joebloggs]

How far is 16,000 steps about ? I dont mind walking, but jogging my knees wont stand it..

well i've managed nearly 15,000 steps today and it says i've walked 12.2km

I think many places recommend you walk 8-10,000 steps a day
http://www.bbc.co.uk/news/magazine-33154510