The launch of site: February 24, 2014
Site official: https://chess24.com/en
Membership: 99 $/year PREMIUM ( all about: HERE)
YES
YES (only)
Utilities offer: PLAY; WATCH; USERNAME; CHAT; SAVE GAMES; STORED RATING; LIVE BROADCASTS (the best); TOURNAMENTS (organized by the administrators); LIVE MULTI-BOARD DISPLAY; ENGINE IN MULTI-BOARD DISPLAY; LIVE COMMENTARY (only Premium Membership); SHARE YOUR GAMES; COURSES; VIDEO SERIES; eBOOKS; TACTICS TRAINER; DATABASE, ANALYSIS & COACHING; NEWS.
Daily tournaments here: https://chess24.com/en/play/tournaments
What can improve: REDUCING PRICES; TOURNAMENT WITH PRIZES; More fighting against cheaters and new methods to detect it in real time; More effective penalty for laggers; Add TEAM TOURNAMENTS; Add option for users to organize tournaments; Add chess variants.
Conclusion: here we find the best broadcastings server! Premium membership is very expensive but if register an account, you have many of green option, even if there are a lot of limitations (all about HERE).
Shopping store: https://chess24.com/en/learn/videoseries and https://chess24.com/en/learn/ebooks