Hacker News Reader

If a user realized that the "cost" of viewing the image was free, wouldn't the user disregard the cost on future instances of the experiment?

Did the experiment limit a user's participation to one time? Otherwise, the results might be skewed and the benefits exaggerated.

View on HN

Yes, it limited the participation to one time. We don't show "locked" images, after doing unlocking. Most visitors are expected to be one-time visitors, finding the recipe via Google Search. Even if they re-visit, IMHO, it is measured risk to take in order to get actionable data for taking further decisions on shaping this feature.

Reply on news.ycombinator.com