Pie charts are most widely used in business visualizations and there are people who are passionately against and enthusiastically for using pie charts. Interactive Bar Charts are an alternative.
Qualitative Analytics bridges the gap between how business users think, compared to how machines interpret data.
For Chatbots to be successful, they need to convert natural language to intent effectively, use intent to queries for backend systems.
A lot of product companies try A|B testing and give-up as it does not produce results or desired results.