A 2012 study by Aberdeen Group, a technology research firm, reported that 62% of companies with such "field employees" tracked staff using GPS, up from about 30% in 2008.

技术调查公司阿伯丁集团2012年的一项研究显示，在设有这类“现场员工”的公司当中，有62%使用GPS进行跟踪，在2008年，这一比例仅有约30%。

youdao

Portal companies should be concerned too, says Andy Bochman, analyst with the Aberdeen Group.

CNN: Portals in the palm of your hand

"It's not as bad as when there were a hundred different companies selling Unix, " said Bill Claybrook, research director at the Aberdeen Group, in Boston.

CNN: The big business of Linux

Some research groups are investigating ways to keep bats away from wind farms, and a University of Aberdeen group recently suggested radar emissions might act as a "bat-scarer".

BBC: Wind farms put pressure on bats