Please create a simple, universal login for all Yahoo services and move toward a standardized UX for this and login status indication. It seems whenever I try to do things that require a login (managing domains, etc.) I have to use google to find the appropriate login page on yahoo.com.

Please make Yahoo Checkout more usable from start to finish. To feel the pain, purchase _ANYTHING_ from a store using the Yahoo Checkout system.

Yahoo social reader on Facebook? Just say no.

Please pull Flickr out from the sphincter of irrelevance.