He is definitely suggesting a raffle type as method on choosing winner just using more transparent tool to do that. He is pertaining to
https://bitcoindata.science/giveaway-manager/ which created by bitmover if I’m not mistaken. This tool is what LM use on one of his contest that in a form of raffle.
I’m skeptical that casino will use this kind of tool since it’s very hard to extract data from social media entry manually and insert it to the tool.
That tool gives the casino manager and contest manager very helpful tool to choose winner. It saves their management time and avoid personal mistake in selection process too but the input data must be done by the manager manually.
One point I like that tool is it's free to use and if the casino, contest manager and the casino team satisfy with the tool, they can send
BTC to a donation address at the bottom of bitcoindata.science website.
It is simple to use , you can just insert participants from a list and choose a future block. The order of participants is important
I believe some managers of companies have announcement threads in Bitcointalk as well as host their campaigns, contests here will do see your tool is very helpful for their jobs. Hopefully you will receive donation from them as well.