2025
StuffEng - 043 - Right Work with Legacy Code of 1:35:34
    https://www.youtube.com/watch?v=m_wWEZzeBrs
2021
Starikov - Working with Legacy Code of 41:41
    https://www.youtube.com/watch?v=VUVJwYOPQVU
PrograThoughts - Why Programmers Unemploy because of Legacy Code of 12:18
    https://www.youtube.com/watch?v=GLu6RGyc5v8
2019
https://martinfowler.com/bliki/TechnicalDebt.html
2018
https://habr.com/post/431562/