Originally Posted by
nabeelj
Are you running the DM Toolbar? If so, it will take over the commission for affiliated merchants and therefore get you the DM Shopping miles instead of the ThanksAgain miles for that purchase.
I have noticed that my toolbar indicates that I am "not earning" when I click through the USAir site for one of the Grand Slam partners. But some of my hits have posted despite this. Skymall is one I remember in particular.