lol @ thinking YouTube actually streams in 720p / 1080p / 4k. No. Not even remotely close, not at all. They're to videos how mp3's are to FLAC files.
"Mental focus ingredients"; what are you talking about, my friend? Caffeine is what gives the focus everything else is bullshit unless you prove otherwise. Get an adderall prescription if you need mental focus or import some ephedrine in bulk from Canada
