Continuing with tech: Computer Science, software, hardware, Internet … “How do these boxes work all these things?!”

COMPUTER SCIENCE explained in 17 Minutes
0:00–15:52
https://youtu.be/CxGSnA-RTsA

Paying for software is stupid… 10 free and open-source SaaS replacements
0:00–6:22
https://youtu.be/e5dhaQm_J6U