5 Victim: Arnold Schwarzenegger, former governor of California/ actor

Mishap: Schwarzenegger wanted to thank his constituents with his video for their budget cutting ideas. But his message didn’t click much on the audience.

Lesson: You should always consider your audience. Your tweets are read worldwide. If you do not filter your messages, especially video messages, a high-end communication tool of the time, you are going to be laughed at or, being more serious, criticized.