So all you developer types who have been keen on the Yahoo! Shopping Product Submit API… step forward and get your new permissions from Pricegrabber. Better hurry though, as you have until March 11, 2010 to make the adjustment. Welcome to another round of Yahoo! outsourcing. Announced earlier today, search engine giant Yahoo!, entered into what they call a “strategic partnership” with the well known comparison shopping engine, Pricegrabber.