The field of artificial intelligence got its start at a conference at Dartmouth in 1956. Optimism ran high and it was believed that machines would be able to do the work of humans within 20 years. Alas, it was not to be. By the 1970â€™s, funding dried up and the technology entered the period known as the AI winter. Much has changed since then.Â What can we expect in the years to come?