In January 2022, I started the Communication Genius course from one of the best public speaking coaches. Lesson 2 is full of simple but efficient instructions how to communicate quickly in a stressful situation (ELEVATOR PITCH). There are tips what to say and there are also some things which are better not to use in a quick conversation.
CBINSIGHTS has published this year interesting research The Top 12 Reasons Startups Fail
They analyzed 110+ startup failure post-mortems and defined top 12 root causes.
I think it’s worth knowing reasons and their prior probabilities.