questions in our sign up flow. If we display social proof in the signup flow, then people will feel reassured and finish signing up. Increase the number of people signing up for HubSpot’s free products. If our hypothesis is true, we expect to see a 3 percentage point improvement in signup completion, translating to 1,000 additional signups per week and $10,000 in additional MRR.* Hypothesis Objective Expected Outcome Prediction