... users are often unable to note down the number of the taxi or the auto as the driver will just zoom past.

The goals of IRC bots vary widely, such as automatically kicking other users off or more nefarious things like spamming other IRC users. In this paper, a free standing IRC bot is presented that monitors an IRC channel for commands from a particular user and responds accordingly.

a synclinal trough or valley; a synclinal fold

crypto- + variable → cryptovariable