actually login is completely optional... logging in is only if you would like to subscribe to your aggregated set of topics... up until the point of subscribi

actually login is completely optional... logging in is only if you would like to subscribe to your aggregated set of topics... up until the point of subscribing or sharing (or embedding it as a widget on a blog) logging is not necessary... so ideally one could go her and simply enter the topic and get a synopsis of what is going on without a login :D