Each session consisted of a combination of usability testing (in which participants completed facilitator-assigned tasks using Alexa, Google Assistant, or Siri) and an interview.

A total of 17 participants - 5 in New York, 12 in California - who were frequent users of at least one of the major intelligent agents (Alexa, Google Assistant, and Siri) were invited into the lab for individual sessions. To better understand what challenges these assistants pose today and where they help users, we ran two usability studies (one in New York City and one in the San Francisco Bay Area). How do the social aspects of language shape our interactions with language-based user interfaces? This is one of the questions that emerged in our research of conversational assistants. But language is an essentially social interface - it evolved to help us communicate with other people. Much of the implicit value proposition for using intelligent, conversational assistants is the use of natural language.

Intelligent assistants, such as Alexa, Siri, and Google Assistant, are becoming increasingly common. While a Star Trek-like future of interacting verbally with pervasive computers is not yet here, many strides toward that have emerged in recent years.

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