If your iPhone application uses SSL, it becomes subject to US export restrictions on encryption.
Apple is the vendor of the apps, and is based in the US, so every app is subject to these regulations. Apple specifically asks if your application uses encryption when you submit it, and if so, some apps end up having to get U.S. government review and approval for sale outside the US before they can be added to the market.
http://blog.theanimail.com/iphone-encryption-export-complian...
http://www.zetetic.net/blog/2009/08/03/mass-market-encryptio...
Also requires sending the NSA the source code, but we're shipping easily reversible Python anyway, so hardly a concern.
Surprise, the DISQUS login/registration to post a comment on TechCrunch's article about this "gaping security hole" also sends your password in plaintext.
Looking at the TC comments it seems like a lot of people are confused by the difference between sending your password in cleartext, and storing your password in cleartext, although I wouldn't be surprised if they're storing your tumblr and foursquare credentials in the clear.
Never thought of this community as bad guys...