Auctiva has done away with certain layout/alignment options because of mobile users. Apparently some layout options are not comparable for mobile users and how we want out listings to look/appear don't matter anymore.
When you block a person, they can no longer invite you to a private message or post to your profile wall. Replies and comments they make will be collapsed/hidden by default. Finally, you'll never receive email notifications about content they create or likes they designate for your content.
Note: if you proceed, you will no longer be following .