Amazon’s million-dollar sellers are revolting against changes that undercut their margins and change where their ads run. From inside a meeting of these discontented sellers, AdExchanger Senior Editor James Hercher shares how they are fighting back – and why Amazon made these changes.

The Million Dollar Sellers group convened last week in New York City during and around Amazon’s own Seller Growth Summit event. MDS, as the 10-year-old membership-based community…

Amazon’s million-dollar sellers are revolting against changes that undercut their margins and change where their ads run. From inside a meeting of these discontented sellers,…