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Disney didn't pull the product from existing customers. That was caused by an Amazon issue which has already been fixed.

If you have ever worked on or run an ecommerce site with digital goods, you might understand more easily how this could happen by accident.

UPDATE: ~4:45PM Eastern - @ZendeskOps reported they rolled out 'mitigation measures' to resolve the outage. It appears all of their services are up now.

UPDATE: 2:55pm Eastern - @ZendeskOps say they (along with other customers at their hosting provider) are under a DDoS attack.

Per @ZendeskOps on Twitter, there is a network issue and there is no ETA on when it is coming back up yet.

This is affecting a lot of customers (if not all) who use Zendesk.

I agree; this isn't nearly the scale of SOPA/PIPA.

This bill just makes it a requirement that ISPs keep customer IP addresses on record for at least a year. I'm guessing that most major ISPs have already agreed to do this sort of thing for law enforcement without any law requiring it.

I know not all of the world observes daylight savings time, but why not coincide any leap seconds/minutes/hours with the changing of daylight savings time? It would at least make it simpler for those who do practice DST.

I was going to suggest the same (Project Euler specifically). I think the great thing about a site like Project Euler is you have a set result your code must produce to get it correct, so you must think through the correct way to code the algorithm.

Another benefit of Project Euler is, after you solve the problem, you can discuss different approaches to the problem in different languages with other people who have solved it. Reviewing these discussions can help to see if there are other ways to code the program which may not have occurred to you.