The document discusses the size and growth potential of the M2M market. Estimates for the number of M2M connections by 2020 range from 50 billion to 4.3 billion. The market value is estimated to reach $4.5 trillion by 2020. Key factors that will affect the market include human behavior, timing, security, partnership choices, and human-machine interaction. M2M represents opportunities for telecom companies, but also challenges around business models and infrastructure.