Washington, Nov. 16 -- More than 60 percent of Americans have expressed concern over the power of the US government and companies to collect personal information about them and say they have little or no control over the collected data, said a new survey conducted by Pew research centre. "A majority of Americans believe their online and offline activities are being tracked and monitored by companies and the government with some regularity," Pew said. "[R]oughly six-in-ten US adults say they do not think it is possible to go through daily life without having data collected about them by companies or the government." Data-driven products and services are often marketed with the potential to save users time and money or even lead to better hea...