Wat als iedereen...
...tegelijkertijd zou springen?
<object width="405" height="255" data="https://www.youtube.com/v/jHbyQ_AQP8c&feature" type="application/x-shockwave-flash"><param name="data" value="https://www.youtube.com/v/jHbyQ_AQP8c&feature"><param name="src" value="https://www.youtube.com/v/jHbyQ_AQP8c&feature"></object>