Timing:

• 00:00-01:00 introduction (may skip)
• 01:00-03:55 overview
• 03:55-10:05 astronomy lesson: general relativity (may skip)
• 10:05-16:18 responsibility
• 16:18-27:50 the two values of software
• 27:50-41:15 single responsibility principle (SRP)
• 41:15-48:05 solutions
• 48:05-1:00:15 case study
• 1:00:15-1:02:50 summary (may skip)
• 1:02:50-1:09:19 end credits & bloopers (may skip)