%0 Journal Article %J XRDS %D 2011 %T Every bit has a cost %A Jon Froehlich %B XRDS %V 17 %P 5 - 5 %8 2011/06// %@ 1528-4972 %G eng %U http://doi.acm.org/10.1145/1961678.1961695 %N 4 %R 10.1145/1961678.1961695