It's a massive number and it means the biggest part of gamblers is betting on this device. I cannot stress this enough - make sure you read these terms at each casino you join, because most of them will be different from each other.
http://nihongo.edu.lk/showthread.php?tid=377512&pid=599406#pid599406
https://trgcollective.org/forum/viewtopic.php?t=387340
https://www.ww2.site/forum/viewtopic.php?t=76417
http://ewmen.com/viewtopic.php?t=503159
http://oldsite.giessen46ers.de/fantalk/viewtopic.php?f=1&t=190697
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http://forum.arduionly.com.au/showthread.php?tid=148469
http://horsecity.ru/phpBB3/viewtopic.php?f=5&t=223768
https://talk.hyipinvest.net/threads/261582/
https://ebagcilar.com/forum/index.php?topic=3069.new#new
http://forum.bandingklub.cz/viewtopic.php?f=14&t=1197942
http://armyay.mosakcii.ru/viewtopic.php?t=77037
