At my first serious job, I wrote part of the interface for an embedded product. Because we were a tiny company I helped assemble, shrink wrap and finally ship

At my first serious job, I wrote part of the interface for an embedded product. Because we were a tiny company I helped assemble, shrink wrap and finally ship them. My Aha moment was when they finally left the warehouse and that real people would depend on our stuff. It integrated their security systems and has to work, real people would be affected by my work.