A big thrill in 1992-3 was to "finger" the RIT coke machine.<p><a href="http://www.faqs.org/faqs/csh-coke-machine-info/" rel="nofollow">http://www.faqs.org/faqs/csh-coke-machine-info/</a><p>Here is some info about the "finger" protocol<p><a href="http://en.wikipedia.org/wiki/Finger_protocol" rel="nofollow">http://en.wikipedia.org/wiki/Finger_protocol</a>