Summary: -Base subscription is $11.99 CAD a month which gives you access to most games in the lineup at 4k 60fps
-You will have to individually buy newer games
-In 2020 there will be a Stadia Basic plan that's free but limited to 1080p
-There will be a Stadia Founders Edition including 3 months subscription, chromecast ultra, a controller, and Destiny 2 for $169.99 CAD.
-Doom, tomb raider trilogy, odyssey, and the division 2 are part of Stadias launch lineup
-10mbps download and 1mbps upload is the minimum requirement
-Stadia launches in November
EDIT: According to our own @FireEmblem_Man, Stadia can use 1 TB of data in 65 hours. Source: https://www.pcgamer.com/stadia-4k-streaming-will-use-up-1tb-of-data-in-65-hours/.
A moment of silence please for Stadia users with data caps.