Sandro Mancuso Talk : Functional is cool, but do you know OO

One of the best talks on SOLID design principles and OO design that I have watched recently. This talk is 4 years old but more relevant today as many programmers are trying to follow functional programming bandwagon without understanding what they are getting into. One of the best advice speaker gave is to use OO at the outside boundary of your system and FP in the inside where you are doing data transformation and processing. A lot of good literature exists on OO design so let’s make read it and try to first do OO right.