Which smartphones are the best?

 Compile a two-to-three page paper on the most common types of smartphones available on the market today. Identify their operating systems and the types of apps used. Compare and contrast the features offered and describe how a mobile device can access a network. Lastly, describe the types of security available for these devices. You will also need to provide a summary of which smartphones you feel are best suited for today’s world. Provide support for your rationale.