[unsupp0rted]

It seems people don't explore at all. There's no "I wonder what would happen if" impulse, or there's an "I'd better not just in case" worry.

[djbusby]

And the lack of tooltips on hover. WTF, it's missing on loads of big properties.

[autoexec]

Mobile platforms are the worst when it comes to having any understanding at all over where a link (or linked element) will take you and I don't think that's unintentional.