Using cell phone data for transport planning and design would be an economical option that would offer round - the - clock availability and relatively easy access to broad samples. (sciencedaily.com)
This is where the intelligent analysis of cell phone data can make a big difference. (sciencedaily.com)
Because text messaging uses slightly different frequency waves than other cell phone functions, the gadget can not be confused with any other cell phone data or usage. (sinklaw.com)