Publications

13 Nov 2014
News

Going Against the Flow: Michelle Zatlyn, Cofounder of CloudFlare

2021
Working Paper

Quantifying the Value of Iterative Experimentation

By: Iavor I Bojinov and Jialiang Mao

Over the past decade, most technology companies and a growing number of conventional firms have adopted online experimentation (or A/B testing) into their product development process. Initially, A/B testing was deployed as a static procedure in which an experiment was... View Details

Keywords: Product Development; Value Creation; Research

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January 2017 (Revised August 2017)
Case

Weathernews

By: Karim R. Lakhani and Akiko Kanno

Tomohiro Ishibashi (Bashi), chief executive officer for B to S, and Julia Foote LeStage, chief innovation officer of Weathernews Inc., were addressing a panel at the HBS Digital Summit on creative uses of big data. They told the summit attendees about how the Sakura... View Details

Keywords: Crowdsourcing; Operations; Globalization; Weather; Forecasting and Prediction; Global Strategy

23 Sep 2008
First Look

First Look: September 23, 2008

past five years, I have uncovered hundreds of online advertising scams defrauding thousands of users—not to mention all the web's top merchants. This chapter summarizes some of what I've found—and what users and advertisers can do to... View Details

Keywords: Martha Lagace

19 Feb 2008
Research & Ideas

Radical Design, Radical Results

within the organization. "Rather than being pulled by user requirements," he wrote recently, "design-driven innovation is pushed by a firm's vision about possible new product meanings and languages that could diffuse in... View Details

Keywords: by Julia Hanna; Consumer Products

April 2021 (Revised July 2021)
Case

StockX: The Stock Market of Things (Abridged)

By: Chiara Farronato, John J. Horton, Annelena Lobb and Julia Kelley

Founded in 2015 by Dan Gilbert, Josh Luber, and Greg Schwartz, StockX was an online platform where users could buy and sell unworn luxury and limited-edition sneakers. Sneaker resale prices often fluctuated over time based on supply and demand, creating a robust... View Details

April 2019 (Revised April 2021)
Case

Wayfair

By: Jeffrey F. Rayport, Susie L. Ma and Matthew G. Preble

In 2016 Niraj Shah and Steve Conine, founders of online home goods retailer Wayfair, are faced with a decision about how to improve user experience on their e-commerce sites. A key driver of consumer interest and conversion to purchase in the home category is visual... View Details

Keywords: Visual Assets; Corporate Entrepreneurship; Decision Making; Business or Company Management; Growth Management; Innovation and Invention; Operations; Strategy; Technology; Retail Industry; Service Industry; United States; Massachusetts

25 Sep 2015
Blog Post

4 Challenges All Early-Stage Startups Face

user experience based on the feedback we received. Gradually, people to whom we showed the site became more and more excited about the savings they could find. In the early days, we acquired View Details

March 2025 (Revised April 2025)
Case

Perplexity: Redefining Search

By: Suraj Srinivasan, Michelle Hu, Sriraghav Srinivasan and Radhika Kak

By early 2025, Perplexity had rapidly evolved from a modest startup into a popular "answer engine" valued at $9 billion. The company had boldly positioned itself as the disruptor to Google aiming to redefine search for the AI age. Through novel AI... View Details

Keywords: AI and Machine Learning; Venture Capital; Innovation Leadership; Technological Innovation; Internet and the Web; Business Startups; Competitive Strategy; Business Model; Technology Industry; United States

January–February 2025
Article

Want Your Company to Get Better at Experimentation?: Learn Fast by Democratizing Testing

By: Iavor Bojinov, David Holtz, Ramesh Johari, Sven Schmit and Martin Tingley

For years, online experimentation has fueled the innovations of leading tech companies, enabling them to rapidly test and refine new ideas, optimize product features, personalize user experiences, and maintain a competitive edge. The widespread availability and lower... View Details

Keywords: Technological Innovation; AI and Machine Learning; Analytics and Data Science; Product Development; Competitive Advantage

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2021
Working Paper

Does Social Media Cause Polarization? Evidence from Access to Twitter Echo Chambers during the 2019 Argentine Presidential Debate

By: Rafael Di Tella, Ramiro H. Gálvez and Ernesto Schargrodsky

We study how two groups, those inside vs. those outside echo chambers, react to a political event when we vary social media status (Twitter). Our treatments mimic two strategies often suggested as a way to limit polarization on social media: they expose people to... View Details

Keywords: Political Polarization; Political Elections; Internet and the Web; Attitudes; Social Media; Argentina

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31 Jul 2019
Research & Ideas

Distressed Employees? Try Resilience Training

times more likely to experience work-related problems than employees with chronic physical illnesses like diabetes or heart disease. So why do many companies fail to help their workers battle mental health disorders? “There’s a silence... View Details

Keywords: by Dina Gerdeman; Health

2022
Working Paper

Can a Website Bring Unemployment Down? Experimental Evidence from France

By: Aïcha Ben Dhia, Bruno Crépon, Esther Mbih, Louise Paul-Delvaux, Bertille Picard and Vincent Pons

We evaluate the impact of an online platform giving job seekers tips to improve their search and recommendations of new occupations and locations to target, based on their personal data and labor market data. Our experiment used an encouragement design and was... View Details

Keywords: Online Platform; Digital Platform; Unemployment; Encouragement Design; Job Search; Jobs and Positions; Internet and the Web; Well-being; Outcome or Result; Digital Platforms; France

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Leslie A. Perlow is the Konosuke Matsushita Professor of Leadership in the Organizational Behavior Unit at Harvard Business School. She leads the Crafting Your Life Special Project, dedicated to helping individuals make purposeful life choices while gathering... View Details

25 Mar 2015
HBS Case

Tate’s Digital Makeover Transforms the Traditional Museum

conversation." From 1.0 To 2.0 The museum's head of digital, John Stack, and head of content and creative director Jane Burton, recruited curators, conservators, and archivists to blog about their behind-the-scenes experiences in a... View Details

Keywords: by Michael Blanding; Education

Profile

Kaki Ettinger

School experience shaped your goals & career path? HBS greatly deepened my understanding of markets, industries and the roles that different functional specialists play at the types of companies I was most interested in. My... View Details

Keywords: Entertainment / Media; Technology; Entrepreneurship

Article

Why Every Organization Needs an Augmented Reality Strategy

By: Michael E. Porter and James E. Heppelmann

While the physical world is three-dimensional, most data is trapped on two-dimensional pages and screens. This gulf between the real and digital worlds prevents us from fully exploiting the volumes of information now available to us. Augmented reality (AR), a set of... View Details

Keywords: Technological Innovation; Innovation Strategy; Organizational Change and Adaptation; Performance Effectiveness