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Check out our latest blog

Check out our latest Blog

ASC+ Beta Impact: Chacka's Strategy Powers Harvard Business Review’s Subscription Growth
(even after 7 consecutive years of growth)

How We Did It


Harvard Business Review (HBR), a leading education sector subscription-based platform, has achieved seven years of consecutive growth through its strategic partnership with Chacka.


The main challenge HBR faced was the need to increase subscription volumes while improving efficiency. This challenge was exacerbated by the limited availability of data for optimization, resulting in a significant hurdle in achieving their growth objectives.

Chacka's Solution

To address the challenge, Chacka and Harvard Business Review utilized Meta’s ASC+ Beta through exclusive beta testing access. This new feature provided enhanced event optimization capabilities, surpassing traditional ‘purchase’ events. The Chacka team conducted comparisons between Business-As-Usual (BAU) campaigns and Meta’s ASC+ Beta campaigns by evaluating performance differences and refining strategies in hopes of achieving significant growth and efficiency gains.


The Results


Increase in subscriptions during the ASC+ Beta testing period.


Increase in subscription revenue.


Increase in ROAS (return-on-ad-spend).


Decrease in subscription CPA (cost-per-acquisition).

Conversion Rate

Improved from 4.84% to 6.04%

Our Learnings

 “Our partnership with Chacka and the utilization of Meta’s ASC+ Beta have been illuminating for Harvard Business Review. By embracing advanced AI capabilities, we’ve not only witnessed marked growth in subscription volumes but also achieved significant cost efficiencies. The results speak volumes about the power of innovation and strategic collaboration in driving our business forward.”

Nini Diana

Director of Consumer Marketing, HARVARD BUSINESS REVIEW

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