Is AB testing hard?
It's easy! Setting up and running split tests is indeed easy (if you're using the right tools), but doing it right requires thought and care.
Is AB testing data science?
A/B testing is a type of experiment in which you split your web traffic or user base into two groups, and show two different versions of a web page, app, email, and so on, with the goal of comparing the results to find the more successful version.