Fitbit promotes the 10,000 step number. They have a blog post with links to sources. http://blog.fitbit.com/?p=194 http://blog.fitbit.com/?p=194 Having several

Fitbit promotes the 10,000 step number. They have a blog post with links to sources. http://blog.fitbit.com/?p=194 http://blog.fitbit.com/?p=194 Having several family members with fit bits, I can tell you it's definitely do-able. It adds up more quickly than you think!