For instance, the current #2 link on HN leads to:

http://thenextweb.com/microsoft/2011/02/11/bing-smacks-googl...

And if you wait a few seconds and hit your back button to return to HN, the "Resend/Cancel" window pops up (unexpectedly!)... I find it pretty annoying that I suddenly have to click it to do anything else.