Ashley Stirrup

A simple UI change was worth $120 million to Bing. The problem is, it's impossible to know which change will deliver what impact. That's where A/B testing comes in. Rigorous A/B testing is crucial for uncovering potential and ensuring resources are aligned with what truly drives impact. Thanks Ron Kohavi. Look for the link in the comments to the full webinar on Designing Experiments for Long-Term Growth.

Only one snapshot so far — the engagement-over-time curve appears once the daily scrape has captured this post at least twice.