"mrkn" (who is also a user on Twitter and here) has been ++'ed 2 times and --'ed 0 times by a total of 2 people.
Activity Feed icon
Operation Sign, User and Reason
++'ed by kei_s
Tweet: @mrkn++
++'ed by june29
Tweet: 家から研究室のサーバにつながるようになった！土日も作業…！ mrkn++