The growth in the use of mobile technology has made U.S. consumers more comfortable with safeguards as fewer are voicing concern about privacy and security on their wireless devices, according to a new global survey by KPMG. KPMG found that 48 percent of the U.S. consumers surveyed on the use of technology (e.g. computers, smart phones, mobile applications and the internet) were very concerned about privacy when using a mobile device,