Some of these ideas are are instances of the pattern: redirect more of what would otherwise be a cluttering one-word 'attaboy!' or 'haha!' or 'this doesn't belong' response into a single-click and running-tally.
I see that RSDN.ru has done that with ':)'; Facebook has done it with 'Like'; HN and others have done it with 'flag' (though this flagged tally is usually non-public).
Some of these ideas are are instances of the pattern: redirect more of what would otherwise be a cluttering one-word 'attaboy!' or 'haha!' or 'this doesn't belong' response into a single-click and running-tally.
I see that RSDN.ru has done that with ':)'; Facebook has done it with 'Like'; HN and others have done it with 'flag' (though this flagged tally is usually non-public).