In this episode, Mike and Matt jump headlong into the concept of composability, for both software architectures and digital business. They trace the roots of composability way back to the early days of computing, and show the common thread that runs through the more recent movements around Service Oriented Architecture, Domain Driven Design, API First, and Microservices. There are many resources mentioned in this episode: Matt's Infoworld article on SOA and Microservices - https://www.infoworld.com/article/3080611/learning-from-soa-5-lessons-for-the-microservices-era.html Gartner on Composable Business - https://www.gartner.com/smarterwithgartner/gartner-keynote-the-future-of-business-is-composable David Parnas' paper introducing information hiding - https://www.win.tue.nl/~wstomv/edu/2ip30/references/criteria_for_modularization.pdf Mel Conway's paper introducing Conway's Law - https://www.melconway.com/Home/pdf/committees.pdf Djikstra on separation of concerns - https://www.cs.utexas.edu/users/EWD/transcriptions/EWD04xx/EWD447.html Alan Kay on message passing - https://wiki.c2.com/?AlanKayOnMessaging Rechtin on Systems Architecting - https://sdincose.org/wp-content/uploads/2017/10/TheArtOfSystemsEngineering_inaugural.pdf Dr. Carliss Baldwin's Design Rules - https://www.biblio.com/book/design-rules-vol-1-power-modularity/d/1573116839 Roy Fielding defining REST - https://ics.uci.edu/~fielding/pubs/dissertation/rest_arch_style.htm#sec_5_3_2 James Lewis & Martin Fowler defining Microservices - https://martinfowler.com/articles/microservices.html Jonathan Murray on Composable Enterprise - https://adamalthus.com/blog/2013/04/04/the-composable-enterprise/