It's not so much that as the ability for the IRS to track credit card purchases through other mechanisms[0]. [0] http://www.washingtonpost.com/wp-dyn/content/a

It's not so much that as the ability for the IRS to track credit card purchases through other mechanisms[0]. [0] http://www.washingtonpost.com/wp-dyn/content/article/2010/07/08/AR2010070806092_pf.html http://www.washingtonpost.com/wp-dyn/content/article/2010/07... (near the end)