http://en.wikipedia.org/wiki/Cyber_Monday
http://www.amazon.com/Deals-Electronics/b/ref=br_lf_m_540734_pglink_3?ie=UTF8&plgroup=1&node=540734&plpage=3
Doesn't have to be about electronics, could be anything, just whichever you think is the best. http://www.cybermonday.com