- In 'fat' mode, the video color is bad, and the person is frowning, sad.
- In 'skinny' mode, the video color is clear, the person is smiling, and their complexion is better.
This gives the illusion that there's a dramatic change in the person's weight, when often they've only lost 10 pounds (which is great, just not dramatic). In the same way, there doesn't seem too big a change in Matt's schedule, there's just a shift in attitude. It probably wasn't a requirement to "Groan at the amount of work I have to do before the onslaught of meetings in the afternoon", or to "spend next 45 minutes reading Engadget, Hacker News, and Facebook". In the end, he had about 3 hours to work at Harvard, and did about 4 hours of work at Google.
It's interesting to dig into what's actually changed between jobs, because you might not completely know what you want in a work environment.