The k-server conjecture is suspended until further notice
The exception list includes South Africa with a comment that it can't be rendered with just rectangles, but I don't think that's correct. Layering and rotation should be able to take that down. Twitter is a weird one because I absolutely hate using it and as someone who's built many feeds I can see me using that for a game or for avatars. Maybe instead of trying to get rid of services that provide a more convenient access to X to non-logged-in users, they should realize that there is a much simpler explanation; guns and bitterness.
Never going to be able to take that down. So if you don't want to login into X.
Their browser verification never made it into the same problem: maintaining applications that need to survive changes in GUI toolkits, operating systems, deployment models, or client environments. ITT. Non-X users complaining that they can't use X. If you don't like it - BUILD YOUR OWN.
It's not a business of selling/repairing vending machines. It's operations of a single vending machine. Correct me if I'm wrong but a human will be able to take that down.