User blog comment:DaNASCAT/Technical Update: November 22, 2011/@comment-2022446-20111123205918/@comment-1427921-20111126221335

Indeed, that's mobile skin, the link is "View full site" and no, it's not just smartphones (I usually use those basic phones too), any browser that is identified as mobile device for whatever reason is forced to only have mobile skin, which has no article/blog comments at all, nor has it any other wiki functionality for that matter, thus making the said link (and its functionality) vital. (: