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Publications

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  • All HBS Web  (140)
    • Faculty Publications  (7)

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    • All HBS Web  (140)
      • Faculty Publications  (7)

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      • May 2022 (Revised July 2022)
      • Case

      The Voice War Continues: Hey Google vs. Alexa vs. Siri in 2022

      By: David B. Yoffie and Daniel Fisher
      In 2022, after five years of pursuing a new "AI-first" strategy, Google had captured a sizeable share of the American and global markets for voice assistants. Google Assistant was used by hundreds of millions of users around the world, but Amazon retained the largest...  View Details
      Keywords: Strategy; Artificial Intelligence; Deep Learning; Voice Assistants; Smart Home; Market Share; Globalized Markets and Industries; Competitive Strategy; Digital Platforms; AI and Machine Learning; Technology Industry; United States
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      Yoffie, David B., and Daniel Fisher. "The Voice War Continues: Hey Google vs. Alexa vs. Siri in 2022." Harvard Business School Case 722-462, May 2022. (Revised July 2022.)
      • August 2019
      • Case

      Twiggle: E-commerce with Semantic Search

      By: Shane Greenstein and Danielle Golan
      Four years after being founded, in 2014, by former Google executives Amir Konigsberg (CEO) and Adi Avidor (CTO), Twiggle had developed a search enhancement that plugged into an online merchant’s existing framework. The company utilized advanced structuring and...  View Details
      Keywords: Search Technology; Customer Acquisition; Internet and the Web; Technological Innovation; Commercialization; Growth and Development Strategy; E-commerce; Technology Industry; Israel
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      Greenstein, Shane, and Danielle Golan. "Twiggle: E-commerce with Semantic Search." Harvard Business School Case 620-025, August 2019.
      • June 2018 (Revised January 2020)
      • Case

      Voice War: Hey Google vs. Alexa vs. Siri

      By: David B. Yoffie, Liang Wu, Jodie Sweitzer, Denzil Eden and Karan Ahuja
      By early 2018, voice-controlled intelligent assistants had become a major new front in the battle between the giants of the technology sector. "Voice War" focuses on Alphabet’s strategy for Google Assistant, its entrant in the voice assistant space, and asks how the...  View Details
      Keywords: Alphabet; Amazon; Apple; Strategy; Technology; Intelligent Assistants; Smart Speaker; Voice Assistants; Voice; Platform; Technology Adoption; Digital Platforms; Competitive Strategy; Product Positioning; Technology Industry
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      Yoffie, David B., Liang Wu, Jodie Sweitzer, Denzil Eden, and Karan Ahuja. "Voice War: Hey Google vs. Alexa vs. Siri." Harvard Business School Case 718-519, June 2018. (Revised January 2020.)
      • February 2018
      • Case

      Amazon, Google, and Apple: Smart Speakers and the Battle for the Connected Home

      By: Rajiv Lal and Scott Johnson
      Amazon, Google, and Apple all offer their own smart speaker. The devices represent each firm's entry point into the connected home market. All three companies come into the space with their own strengths and weaknesses. Who will win?  View Details
      Keywords: Apple; Apple Inc.; Google; Amazon; Amazon.com; Google Home; Homepod; Echo; Smart Home; Connected Home; Voice; Artificial Intelligence; Machine Learning; Internet Of Things; Smart Speaker; Connected Speaker; Intelligent Assistants; Virtual Assistants; Voice Assistants; Alexa; Google Assistant; Siri; Technological Innovation; Disruptive Innovation; Competitive Strategy; Business Strategy; Adoption; Information Infrastructure; Information Technology; Internet and the Web; Mobile and Wireless Technology; Applications and Software; Technology Adoption; Digital Platforms; Household; AI and Machine Learning; Electronics Industry; Technology Industry; United States
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      Lal, Rajiv, and Scott Johnson. "Amazon, Google, and Apple: Smart Speakers and the Battle for the Connected Home." Harvard Business School Case 518-035, February 2018.
      • September 2016 (Revised February 2017)
      • Case

      Angie's List: Ratings Pioneer Turns 20

      By: Robert J. Dolan and Ayelet Israeli
      In 1995, before people “googled” or “yelped,” Angela Hicks (HBS, 2000) was establishing her Angie’s List as a pioneer in the accumulation and dissemination of consumer rating information. Hicks focused on the home repair and maintenance market and, as she put it,...  View Details
      Keywords: Pricing; Pricing Strategy; Services; Product Line Management; Growth; Conjoint Analysis; Market Research; Freemium; Growth Strategy; Two Sided Markets; Ecommerce; Platform; Platform Business; Platform Businesses; Platform Strategy; Platforms; Platforms And Ecosystems; Business Model; Internet and the Web; Business Growth and Maturation; Growth and Development Strategy; Price; Strategy; Digital Platforms; E-commerce; Service Industry; United States
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      Dolan, Robert J., and Ayelet Israeli. "Angie's List: Ratings Pioneer Turns 20." Harvard Business School Case 517-016, September 2016. (Revised February 2017.)
      • March 2015 (Revised April 2015)
      • Case

      The Heat Is On: Emerging Ecosystems in the Thermostat Industry

      By: David Collis and Ashley Hartman
      Beth Wozniak, President of Honeywell Environmental and Combustion Controls (ECC) at Honeywell International Inc., spun around in her office chair, reflecting about how the classic, mature thermostat industry was rapidly evolving. In February 2014, Google paid $3.2...  View Details
      Keywords: Honeywell; Thermostats; Internet Of Things; Smart Thermostats; Google; Nest; Apple; HomeKit; SmartThings; Partnerships; Platforms And Ecosystems; Linkages; Communication Protocols; Strategy; Technology; Home Automation; Connected Home; Buildings and Facilities; Energy; Information Infrastructure; Applications and Software; Internet and the Web; Digital Platforms; Partners and Partnerships; Manufacturing Industry; Industrial Products Industry; Energy Industry; Electronics Industry; Consumer Products Industry
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      Collis, David, and Ashley Hartman. "The Heat Is On: Emerging Ecosytems in the Thermostat Industry." Harvard Business School Case 715-455, March 2015. (Revised April 2015.)
      • September 2011 (Revised March 2014)
      • Case

      Brightcove, Inc. in 2007

      By: Andrei Hagiu and David B. Yoffie
      Brightcove, a technology and services provider to content owners in the Internet television field, aimed to become a media distribution company in its own right. On October 30, 2006, it relaunched its Website—and, in effect, its business. With its new, consumer-facing...  View Details
      Keywords: Competition; Entrepreneurship; Investment; Diversification; Digital Platforms; Business Strategy; Internet and the Web; Business Model; Distribution; Media and Broadcasting Industry; Motion Pictures and Video Industry
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      Hagiu, Andrei, and David B. Yoffie. "Brightcove, Inc. in 2007." Harvard Business School Case 712-424, September 2011. (Revised March 2014.)
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