Among the things I learned this week:
* Spotify doesn’t allow you to hide your existence/profile. (Courtesy: Spotify)

* North Korea had its first Ultimate Frisbee tournament. (Courtesy: North Korea Economy Watch)

* Google Alerts doesn’t work with filetype searches. (Courtesy: Google Alerts)

* The United States and Canada prohibit gay men donating blood, and a host of other countries have behavioral restrictions on whether a gay man can donate blood. (Courtesy: NYT).