The ideal companion machine would not only look, feel, and sound friendly but would also be programmed to behave in an agreeable manner. Those【B1】___that make interaction with other people enjoyable would be simulated as closely as possible, and the machine would【B2】charming, stimulating, and easygoing. Its informal conversational style would make interaction comfortable, and yet the machine would remain slightly【B3】and therefore interesting. In its first encounter it might be somewhat hesitant and unassuming, but as it came to know the user it would progress to a more【B4】and intimate style. The machine would not be a passive【B5】but would add its own suggestions, information, and opinions: it would sometimes【B6】___developing or changing the topic and would have a personality of its own.

The machine would convey presence. We have all seen how a computer’s use of personal names often【B7】___people and leads them to treat the machine as if it were almost human. Such features are easily written into the software. By introducing【B8】___forcefulness and humor, the machine could be presented as a vivid and unique character.

Friendships are not made in a day, and the computer would be more acceptable as a friend if it【B9】___the gradual changes that occur when one person is getting to know another. At an【B10】___time it might also express the kind of affection that stimulates attachment and intimacy.

【B6】