As an aside, a lot of people don't know about ldd, and introducing it to them is very cool, but it should almost always come with a warning - maybe add a note t

As an aside, a lot of people don't know about ldd, and introducing it to them is very cool, but it should almost always come with a warning - maybe add a note that people should be careful with ldd - ldd _may_ execute arbitrary code. This is in the ldd man page, but most people never read documentation. It is unsafe to use on any binary you're not otherwise believed safe.