No, it hasn’t been 4 years. I’m sure of it.” “Four-and-a-half to be exact.” The voice coming out of the receiver was firm, almost authoritarian. I paused to count 4-and-a-half years on my fingers. In the silence, my computer guy continued.   “What you need is an upgrade,

Artificial intelligence (AI):  Will it bring in the best or the worst of times?  That is the question futurists, philosopher, techies and scientists are debating.  Recently, Stephen Hawking chipped in with his opinion: we are doomed.  Certainly, robotics is turning our economy on