IBM says Macs save up to $543 per user

By the end of 2016, roughly one in four IBM employees will use a Macintosh computer. The tech giant, which employs 400,000 people, bought and provisioned 90,000 Macs since it started to support Apple laptops in June 2015. It expects to have at least 100,000 Macs deployed by 2017.IBM now has the largest enterprise Mac deployment in the world, and it is Apple's biggest business customer for Macs, according to Mac maker. Apple declined to provide details on the other leading enterprise Mac customer