Examples:

This happens in all my browsers (some which doesn't have any extensions installed).

Why does this happen?

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migrated from superuser.com Feb 8 at 5:12

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1 Answer

up vote 3 down vote accepted

YouTube users can loop their videos by abusing the annotation system, specifically the pause function. If you turn off annotations when viewing the video, you will notice that it no longer loops.

Tutorial: http://www.youtube.com/watch?feature=player_detailpage&v=48OaDaFG1Y0

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Even the description of that video is spammy. :-D – Synetech Feb 8 at 3:52
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