Meanings of simple bots in English

In some cases, companies are exploring fairly simple bots that only respond to particular commands or code.

Facebook's simple bots were designed to do only one thing: score as many points as possible in the simple game.

A Facebook experiment did produce simple bots that chattered in garbled sentences, but they weren't alarming, surprising, or very intelligent.

In China, with help from simple bots and other tools, it's already a viable way of hailing a taxi, ordering food, and buying movie tickets.

Since most people aren't that funny, the two hackers say, why not replace everyday humor with remarkably simple bots that spew boilerplate phrases over Twitter?