The most popular On the Main Line post ever is

No nun in Ashrei - in case you were wondering.

I know this because it is the one the receives the most hits and searches. Apparently there are a lot of people who want to know why the nun verse is missing in this psalm, a seemingly never ending stream for two years, a few a day.

(I should revise it to make it more clear and more accurate. I should do a lot of things.)