[car54whereareu]

"You just need to understand cause and effect," said Apollo.

"He's right, mortal. This isn't what you would call rocket science," added Athena.

"Okay, and my business will succeed if I can understand cause and effect?"

"Yes," said Apollo.

"Of course! Why are you wasting time? Go write some software", said Athena.

So yeah, real-time A/B testing seems like a bad idea, but real-time analytics sounds fine. On the other hand, maybe the Gods gave you the idea of cause and effect to destroy you. I bet more than one story on hacker news today pretends to understand the causes for an effect.