"thunderbird" (who is also a user on Twitter) has been ++'ed 2 times and --'ed 2 times by a total of 3 people.
Activity Feed icon
Operation Sign, User and Reason
++'ed by jschneider (#usability win: text box for subject line, if left empty upon send.)
Tweet: thunderbird++ #usability win: text box for subject line, if left empty upon send.
--'ed by corra24 (per le sue bizze)
Tweet: thunderbird-- per le sue bizze
++'ed by gecco
Tweet: thunderbird++
--'ed by corra24
Tweet: thunderbird--