Posted by meghdipMost of the large ecommerce companies are publishing Google shopping ads using Merchant Center. Because of the heavy rush and frequent purchases, they have to update their feeds and submit to Google Merchant Center on a real-time basis. Sometimes this makes them inefficient in displaying the latest status of product ads.Google announced an enhancement earlier this year, via the online product inventory update feed. This is a feature for those who already have successfully set up a product f...