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[[Image:LogonTeam1990.jpg|thumb|Logon System 1990 Amstrad Expo]]
'''Logon System''' was a french demo group wich was very famous due to really great demos and new techniques the coders at Logon used. While [[The Demo]] was for a very long time the best megademo ever released on the CPC, [[Overflow]]'s demo III was one of the most extreme hardware demo ever produced.
== Members ==