Yahoo! reported its earnings this week. The company seems to be doing fine though investors want to see more growth after all those aquisitions. But Yahoo! also made big changes to the design of its email system, and users are not happy. We heard from one of them. He refers to himself as “the frothy curl on top of a large and very grumpy wave of Yahoo! email folks.” His more traditional title is Marketplace Tech listener Frank Landis in San Diego. He discovered he’s not alone.