Either you’re meming at a level I’m unaware of or you’ve completely failed to read the post. Unsure how to tell

New media discovery. Many people like myself use services that make it great for watching what you have but don’t really suggest new things to watch. Trakt, and other similar things, fill that gap

Technically invaluable means “cannot be valued” but colloquially it is used as “value too high to put a number on”