AS others said, they are not new but the way are being used is something which matters, specially AI bot. Like we used to hear <i>There&#x27;s an app for that</i>, we soon will hear <i>There&#x27;s a bot for that</i><p>I tried to develop an FB bot and record details here:<p><a href="http:&#x2F;&#x2F;blog.adnansiddiqi.me&#x2F;develop-your-first-facebook-messenger-bot-in-php&#x2F;" rel="nofollow">http:&#x2F;&#x2F;blog.adnansiddiqi.me&#x2F;develop-your-first-facebook-mess...</a>