The Cloud Fiasco of 2010: Drop.io
pcmag.com
pcmag.com
Lesson: If you don't own the domain, you don't own the stability of those domain's URLs.
The reason he's encountering dead links is because drop.io drops are specifically designed to expire. You pick an expiration date when you create a drop. It's a feature. The service was not meant for long-term storage or distribution. Using it this way was a mistake.
Drop.io was designed for temporary storage. My point is that all its links would have expired even if it was kept running.