[corobo]

I use the collapse thingy as a read flag - if I'm fully sated on a to and fro for a topic I might come back to I'll collapse the thread.

Future me will often un-collapse the thread through curiosity of course, but will quickly realise I was right

[gala8y]

There is a Hacker News Comment Highlighter add-on both for FF and Chrome based browsers. Highlights what is new after a refresh.

[corobo]

Ooh nice. Ta for the suggest

[jghn]

I couldn't use HN without this.