Giving a talk is normal for many academic and "scientist" level positions. Being interrupted with questions is also normal, and I'm personally completely fine w

Giving a talk is normal for many academic and "scientist" level positions. Being interrupted with questions is also normal, and I'm personally completely fine with it. The only annoying thing is that the company canceled at the last minute, but that's probably because they had multiple candidates "in-flight" at the same time.