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This is a great toy, and I didn't know about lj geeking.

Is there a list of lj utilities anywhere?

I just wasted some time trying to make sure that my lj-cut below was working properly before I posted it. It seems that lj-cuts don't show up in the preview.

Another annoyance: there's no good way to keep track of whether people have made new comments, ist there?

Or have I missed some really obvious stuff which would make these annoyances go away?

I just got lightly thwapped for posting longish pieces to my lj without using cuts. Is there a consensus about cuts for length being desirable?
Do you care personally? If so, how long is too long?

Mark all comments added after time/date--it's the only way I can think of to keep up with long discussions.