As AI capabilities like NLP (Natural Language Processing), machine learning, and voice/speech recognition keep improving, AI virtual assistants are becoming mainstream products in consumer electronics markets. Companies are now in the process of exploring potential business opportunities related to these virtual assistants. This reports examines the main topics and requirements for AI virtual assistants in different industry verticals, their applications in the several industry sectors, including the banking, insurance, and financial service, telecommunications, medicine, online/physical retail, leisure/hospitality, and government/public utility sectors; explores their development potential in the future.