Jobs, as an input to production, by definition add to the cost of whatever the final good or service in question is, compared to doing the same with fewer or no employees.
While it would be nice to see a better diagramming input solution for the average business graphics user, add-on graphics tablets, such as those from Wacom, make the most sense for professionals.
Initially he is using transcripts of conversations to train his software, but once it is able to handle queries reliably, he plans to add speech-recognition and speech-synthesis systems to handle the input and output.