Brian Burke of eBay’s Trust &Safety department has a message for anyone wishing to unload digital products on the company’s trademark auction block: You can’t. Instead, you’ll have to bypass the traditional transaction-based system that drives the vast majority of sales on the website and publish classified ads for things you want to sell that you can’t quite hold in your hand. The company cites the risk of feedback manipulation as a main reason for is choice to relegate sales of digital go