BlackBerry interim CEO John Chen issued an open letter to enteprise customers and partners on Monday. NW's John Cox has his analysis of it here. And here, for you enlightenmight, a graphical representation of what Chen highlighted in the letter.
EMM, if you're wondering, is Enterprise Mobility Management, a relative of MDM, mobile device management. BES10 is the latest version of BlackBerry Enterprise Service, the company's management offering.