We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Erin Roberts and Ben Keough Smartphone cameras have come a long way, but you ...

Abstract: Providing accurate and opportune information on people's activities and behaviors is one of the most important tasks in pervasive computing. Innumerable applications can be visualized, for ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...