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Publications

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  • All HBS Web  (20)
    • Faculty Publications  (7)

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    • All HBS Web  (20)
      • Faculty Publications  (7)

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      • June 2022 (Revised July 2022)
      • Teaching Note

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

      By: David B. Yoffie
      Teaching Note for HBS Case No. 722-462.  View Details
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      Yoffie, David B. "The Voice War Continues: Hey Google vs. Alexa vs. Siri in 2022." Harvard Business School Teaching Note 722-465, June 2022. (Revised July 2022.)
      • 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.)
      • February 2022
      • Case

      Sekisui House and the In-Home Early Detection Platform

      By: John D. Macomber and Akiko Kanno
      To address an aging population and sales declines, major Japanese homebuilder considers pivoting to provide and support an in-home health detection platform, in competition with tech companies. This case considers the point of view of major builders regarding how...  View Details
      Keywords: Voice Assistants; Architecture; Smart Home; Aging Society; Digitalization; Real Estate; Home Automation; Sensors; Strategy; Digital Platforms; Health Care and Treatment; Housing; Age; Real Estate Industry; Construction Industry; Health Industry; Japan
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      Macomber, John D., and Akiko Kanno. "Sekisui House and the In-Home Early Detection Platform." Harvard Business School Case 222-070, February 2022.
      • July 2019 (Revised March 2022)
      • Teaching Note

      Increasing Gender Diversity in the Boardroom: The United Kingdom in 2011 (A) and (B)

      By: John Beshears, Iris Bohnet and Siri Chilazi
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      Beshears, John, Iris Bohnet, and Siri Chilazi. "Increasing Gender Diversity in the Boardroom: The United Kingdom in 2011 (A) and (B)." Harvard Business School Teaching Note 920-006, July 2019. (Revised March 2022.)
      • February 2019
      • Teaching Note

      Voice War: Hey Google vs. Alexa vs. Siri

      By: David B. Yoffie
      Teaching Note for "Voice War: Hey Google vs. Alexa vs. Siri," HBS No. 718-519.  View Details
      Keywords: Technological Innovation; Technology; Technology Industry
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      Yoffie, David B. "Voice War: Hey Google vs. Alexa vs. Siri." Harvard Business School Teaching Note 719-464, February 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.
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