Anyango - 5:52 am on Oct 20, 2010 (gmt 0)

I have noticed twice recently that there are some threads that i have posted in but after a few days the yellow indicator which points to "a recent message of mine." goes away sometimes, and it doesnt show for some threads. The most recent example is this

[webmasterworld.com...]

I have a message in there, but it isnt showing my Yellow indicator anymore. Can it be an error or maybe its some feature that i dont know about.