&#62; in case any crashed they would cash in $$$<p>Doesn't sound like much of a business model. As I understand it, Plane Spotting is much more of a nerdy hobby with the goal of spotting unusual or interesting craft, as well as accumulating lots of 'spots':<p><a href="http://www.planespotters.net/" rel="nofollow">http://www.planespotters.net/</a><p>In a hacker vein, some of these folks' observations were crucial to uncovering the secret CIA bases in eastern Europe:<p><a href="http://www.guardian.co.uk/uk/2005/dec/10/usa.terrorism1" rel="nofollow">http://www.guardian.co.uk/uk/2005/dec/10/usa.terrorism1</a>