They've made some recent changes to the product and are positioning the product to be more of an email competitor. I have most of these problems with Yammer but

They've made some recent changes to the product and are positioning the product to be more of an email competitor. I have most of these problems with Yammer but I feel like they're moving in the right directions and are actually addressing some of these problems you mentioned above. DISCLAIMER: Friends with a Yammer enployee