Randall Munroe is a very funny, smart, thorough guy who make clear sense of difficult ideas. In his recent article on the Cost of Pennies he discuses some of the benefits (and drawbacks) to picking up loose change. I could add a calorie counter here each week. Could, but won't because there is probably already too much information on these pages.

2013-01-21
1 cent
Total: $0.01

2013 Cumulative
$0.73

Overall Cumulative:
$2.16 Loose Change
3200 MS points
$55 Amazon Gift cards
~6.4 minutes added
~15.74 calories burned

Grand Total:
$97.26