Apple (AAPL) introduced its Siri voice assistant with the launch of the iPhone 4S last October and since then, a number of copycat apps have been made available. While all these services show potential, in their current state they are just too limited for everyday use. IBM (IBM) is looking to change that, however, with the help of its supercomputer Watson. Bernie Meyerson, IBM’s vice president of innovation, said that he always envisioned a voice-activated Watson that would answer questions based on location data, historical trends and scientific studies. “The power it takes to make Watson work is dropping down like a stone,” Meyerson said in an interview with Bloomberg. “One day, you will have ready access to an incredible