It could just be the particular type of my colour-blindness or my monitor settings, but the red and amber colours look so similar that I couldn't tell that I had even clicked the button.
2 caps: 1 for things that are charged for existing (e.g. S3 storage, RDS, EBS, EC2 instances) and 1 for things that are charged when you use them (e.g. bandwidth, lambda, S3 requests). Fail to create new things (e.g. S3 uploads) when the first cap is met.
Why does it use version 4 instead of version 8? Version 4 implies that it's random bits, but it's actually not random. Version 8 doesn't imply anything about what the bits mean.
It automatically resizes so even though I have a tall screen, I didn't think to scroll down because it looked like a basic landing page and had links at the top.
The problem is if one channel only uploads once a month and another channel uploads twice a day, I will see many videos from the frequent upload channels and might miss the infrequent uploads. If it was just a list of channels with their most recent video I'd see a new thumbnail and know to check that channel for any new videos.