Publications

Article

Assessing the Food and Drug Administration's Risk-Based Framework for Software Precertification with Top Health Apps in the United States: Quality Improvement Study

By: Noy Alon, Ariel Dora Stern and John Torous

BACKGROUND: As the development of mobile health apps continues to accelerate, the need to implement a framework that can standardize categorizing these apps to allow for efficient, yet robust regulation grows. However, regulators and researchers are faced with numerous... View Details

Keywords: Mobile Health; Smartphone; Food And Drug Administration; Risk-based Framework; Health Care and Treatment; Mobile and Wireless Technology; Applications and Software; Framework

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September 2017
Case

Tencent

By: John R. Wells and Gabriel Ellsworth

Tencent had undergone many transformations since it was founded in 1998 as a simple messaging service. In 2017, it was the largest online games provider in China with a wide range of game types, China’s largest social networking service provider with several of the... View Details

Keywords: Tencent; Tencent Holdings; WeChat; Social Networking; Social Networks; Gaming; Gaming Industry; Video Games; Computer Games; Mobile Gaming; Portals; Payments; Mobile Payments; O2O; Online-to-offline; E-commerce; Messaging; Subscription Model; Freemium; Mobile App Industry; Smartphone; PC; Monetization Strategy; Antitrust; Streaming; Cloud Computing; Artificial Intelligence; Big Data; Alibaba; Facebook; JD.com; Tesla; Bundling; Synergies; Digital Strategy; Imitation; Licensing; Agility; Entry Barriers; Online Platforms; Advertising; Digital Marketing; Business Ventures; Acquisition; Mergers and Acquisitions; Business Conglomerates; Business Units; Business Growth and Maturation; Business Organization; For-Profit Firms; Joint Ventures; Restructuring; Communication; Communication Technology; Blogs; Interactive Communication; Interpersonal Communication; Entertainment; Film Entertainment; Games, Gaming, and Gambling; Music Entertainment; Investment; Investment Portfolio; Price; Profit; Revenue; Geographic Scope; Cross-Cultural and Cross-Border Issues; Global Strategy; Multinational Firms and Management; Globalized Markets and Industries; Business History; Innovation Strategy; Technological Innovation; Business or Company Management; Goals and Objectives; Growth and Development Strategy; Product Positioning; Social Marketing; Network Effects; Emerging Markets; Market Entry and Exit; Digital Platforms; Industry Growth; Monopoly; Media; Distribution Channels; Product Development; Service Delivery; Organizational Change and Adaptation; Organizational Structure; Public Ownership; Problems and Challenges; Business and Government Relations; Groups and Teams; Networks; Opportunities; Social and Collaborative Networks; Strategy; Adaptation; Business Strategy; Commercialization; Competition; Competitive Advantage; Competitive Strategy; Cooperation; Corporate Strategy; Diversification; Expansion; Horizontal Integration; Vertical Integration; Segmentation; Information Technology; Internet and the Web; Mobile and Wireless Technology; Internet and the Web; Applications and Software; Information Infrastructure; Digital Platforms; Internet and the Web; Mobile and Wireless Technology; Value Creation; Communications Industry; Entertainment and Recreation Industry; Financial Services Industry; Information Industry; Information Technology Industry; Media and Broadcasting Industry; Motion Pictures and Video Industry; Music Industry; Service Industry; Technology Industry; Telecommunications Industry; Video Game Industry; Web Services Industry; Asia; China; Canton (province, China)

22 Aug 2011
Research & Ideas

Getting to Eureka!: How Companies Can Promote Creativity

innovation has worked to create a vast array of valuable products, from cancer treatments to airplanes. But alongside it, Professor Carliss Y. Baldwin argues, there is a lesser-known model of innovation that... View Details

Keywords: by Michael Blanding

May 2022
Case

Rawbank's Illico Cash: Can 'Fast Money' Overcome Cash Dependency in the DRC?

By: Lauren Cohen and Grace Headinger

Thomas de Dreux-Brézé, the Head of Strategy and Project Management at Rawbank Congo in the Democratic Republic of the Congo (DRC), was perplexed as he reviewed annual adoption rates for the bank’s launch of Illico Cash 2.0. As the bank’s mobile money app, Illico Cash... 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

April 1999
Case

Steve Perlman and WebTV (B)

By: James K. Sebenius and Ron Fortgang

The dynamics of a linked series of internal and external negotiations involved in launching, growing, and selling a high-tech, Internet start-up are explored. Steve Perlman unfurled an impressive new technology, recruited a top technical and management team, secured... View Details

Keywords: Entrepreneurship; Business Startups; Agreements and Arrangements; Negotiation Process; Value Creation; Alliances; Technological Innovation; Business Exit or Shutdown; Television Entertainment; Media and Broadcasting Industry

10 Jul 2007
Working Paper Summaries

Platform Envelopment

Keywords: by Thomas Eisenmann, Geoffrey Parker & Marshall Van Alstyne; Technology

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

06 Feb 2006
Research & Ideas

Sorting Out the Patent Craze

include bodies as varied in scope as the Financial Accounting Standards Board on one end to the DSL Forum on the other. On the tech side, SSOs work both with technology sponsors and users to develop a set of standards for products to... View Details

Keywords: by Sara Grant; Technology

19 Sep 2023
HBS Case

How Will the Tech Titans Behind ChatGPT, Bard, and LLaMA Make Money?

ChatGPT, Bard, and other AI chatbots—as well as the dueling tech titans behind them—and probe the strategic dilemmas ahead for innovators and users. The public's fascination with the human-like aspects of chatbots may be overshadowing... View Details

Keywords: by Ben Rand; Technology; Information Technology

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

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January 2023
Teaching Note

Duolingo: Teaching Languages to the Masses

By: Youngme Moon

Teaching Note for HBS Case 323-016. At the time the case is written, Duolingo is the most popular language learning service in the world. The company has more than 40 million monthly active users, and the company’s total annual revenue has reached $250 million a year.... View Details

Keywords: Marketing; Marketing Strategy; Customer Relationship Management; Acquisition; Retention; Innovation and Invention

July 2011 (Revised September 2011)
Case

Game Time Decision for AppDirect

By: Andrei Hagiu, Laura Arjona and Emily Zhang

AppDirect is a start-up that offers small businesses software-as-a-service solutions through a business app marketplace and portal. Daniel Saks, co-founder and co-CEO, is faced with the key question of deciding distribution strategy: should AppDirect find channel... View Details

Keywords: Digital Platforms; Distribution; Applications and Software; Innovation Strategy; Entrepreneurship; Business Growth and Maturation; Competitive Strategy; Information Technology Industry; United States

January 2025 (Revised April 2025)
Case

Duolingo: On a 'Streak'

By: Jeffrey F. Rayport, Nicole Tempest Keller and Nicole Luo

In December 2024, Severin Hacker, Co-Founder and Chief Technology Officer of Duolingo, reflected on the remarkable evolution of the language-learning app he helped launch in 2011. As the #1 most downloaded education app in the world, Duolingo had over 100 million... View Details

Keywords: Learning; AI and Machine Learning; Growth and Development Strategy; Motivation and Incentives; Diversification; Business Model; Market Entry and Exit; Technology Industry; Education Industry; United States