A powerful tool for curbing the growing worldwide problem of youth unemployment could be the ubiquitous mobile phone found in most teens’ pockets, finds new research.

First it was book selling, and then it was retail of all kinds. Later came cloud storage services, streaming entertainment and online advertising. Now with three big moves, Amazon is disrupting healthcare.

How do health care professionals decide when it’s time to upgrade their medical technology? Research from Smith School professor Ritu Agarwal looked at how health care professionals abandoned their use of coronary stents, in response to the emergence of new technology.