MapReduce is a programming model for processing large amounts of data. It works best when you have a relatively simple program, but data is spread across thousands of servers. MapReduce was invented and popularized by Google. I'll talk about MapReduce in general and Hadoop in particular.
 
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#12: Continuous integration, delivery and deployment

Podcast for developers, testers, SREs... and their managers. I explain complex and convoluted technologies in a clear way, avoiding buzzwords and hype. Never longer than 4 minutes and 16 seconds. Because software development does not require hours of lectures, dev advocates' slide decks and hand waving. For those of you, who want to combat FOMO, while brushing your teeth. 256 seconds is plenty of time. If I can't explain something within this time frame, it's either too complex, or I don't understand it myself. 

By Tomasz Nurkiewicz. Java Champion, CTO, trainer, O'Reilly author, blogger