Extensible Markup Language - a set of rules for encoding documents in machine-readable form.

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edX numerical input error “Sorry couldn't parse formula” when using inequalities

I am trying to create a question on edX Studio where the answer is an inequality. As far as I understand edX used the Mathjax library for which \ge or ≥ represent the ≥ symbol. I can use \ge ...
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Why can't I view the raw RSS feed from Feedburner?

I'm trying to view and copy the URL to a feed to import elsewhere, but I just can't view the raw XML RSS feed for some reason! I'm using Chrome. http://feeds.feedburner.com/Freakonomics?format=xml ...