The document provides a comprehensive overview of artificial intelligence (AI) as of October 2015, discussing its history, definitions, market dynamics, benefits, consumer perceptions, and real-life applications across various sectors like medical care and retail. It highlights a projected growth of the AI market to $15.3 billion by 2019, the involvement of major tech players, and the potential societal impacts of AI developments. The document also explores both the advantages and concerns surrounding AI, including its integration into daily life and challenges it poses to employment.