I use hoxx to identify websites that showcase one price/good deals for new customers and 30% higher prices for existing customers. This is my version of couponing. i present the evidence and the seller typically gives the promo to me. Believe me I dont do this for a 'gotcha', I do it because at this rate, I will have spent $45,000 at one site, come this time next year. so......

And hoxx has some other great uses of course. It is subject to lagging, but I think that is a Mozilla and Hoxx UI shared bug.

Thanks to the makers of Hoxx, I will donate as I usually do.