Science & technology | Silicon chats

Conversational computers have come a long way

But still have a long way to go

PEOPLE HAVE been conversing with computers since the 1960s, when Joseph Weizenbaum of the Massachusetts Institute of Technology created a “chatbot” called Eliza. Eliza was designed as both an electronic parlour trick and as a gentle mockery of psychotherapists. Its chief conversational gambit was repeating its interlocutors’ statements back to them in the form of questions. Yet Weizenbaum was surprised to discover that some of Eliza’s human interlocutors began to treat it as if it truly understood what they were telling it.

This article appeared in the Science & technology section of the print edition under the headline “Conversational computers have come a long way”

How well will vaccines work?

From the February 13th 2021 edition

Discover stories from this section and more in the list of contents

Explore the edition

More from Science & technology

Parasitic wasp - laying egg in hoverfly larvae.

Wasps stole genes from viruses

That probably assisted their evolutionary diversification

The World Health Organisation crest on the wall.

America’s departure from the WHO would harm everyone

Whether it is a negotiating ploy remains to be seen



High-tech antidotes for snake bites

Genetic engineering and AI are powering the search for antivenins

Can you breathe stress away?

Scientists are only beginning to understand the links between the breath and the mind

The Economist’s science and technology internship

We invite applications for the 2025 Richard Casement internship