Our LiquidSpeech product, (described by this FAQ document, Apple iTunes web page, and YouTube videos ) is focused specifically on providing you with the means to inadvertently absorb a vast amount of technical subject matter, at your leisure, for fun, in audio form, while doing other things, using only a hand held portable electronic device, regardless of whether or not you have good network reception.
This means that after a long day at the office, instead of having to sit in front of your laptop, to learn about the latest similarities and differences, for example between Java, C++ 11, Python, Objective C, Swift and C#, you can go for a walk, and listen to people conversing with each other about those topics, using a casual style that is both entertaining and easy to understand.
It is surprising how a little time spent each day, just listening to pleasant conversations, can build up vast stable knowledge over time. If you do not believe this just look at how easy it is for you to understand and use your native language, for example English, how little effort you expended to learn it, how unlikely you are to forget it, and how long it would take you to become equally comfortable with a language you do not currently speak.