"yaotti" (who is also a user on Twitter and here) has been ++'ed 1 times and --'ed 3 times by a total of 4 people.
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Operation Sign, User and Reason
--'ed by sak65536 (ただいまー!おつおつ♪)
Tweet: @yaotti-- ただいまー!おつおつ♪
--'ed by yaotti (怠惰すぎる)
Tweet: yaotti-- 怠惰すぎる
++'ed by showyou (ということで。 *Tw*)
Tweet: 今日のメモ: @plusplusbot と http://plusplusbot.com を知った。 yaotti++ ということで。 *Tw*