來源:[1] DraftKings收購CFTC監管的Railbird交易所,進軍預測市場 (https://www.techflowpost.com/newsletter/detai ...)[2] DraftKings透過Railbird交易所收購談判,戰略性進軍預測市場 - InsideBitcoins.com (https://vertexaisearch.cloud.google.com/groun ...)[3] DraftKings收購Railbird以擴展到預測市場 | PYMNTS.com (https://vertexaisearch.cloud.google.com/groun ...)