Its not unusual for visitors to the Volume of Interactions to accidentally press the "Submit" button twice when they leave a comment; this creates an annoying looking "double-entry". Went looking for a way to stop this from happening.
Found the following:
Hacks : Avoiding Duplicate Comments 3.0
Also, BTW, found ways to prevent Comment spammings:
Comment Spam Quick Fix
Club vs. Lojack solutions
For Movabletype users only, unfortunately.
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