Windows Insider Program allows Microsoft to collect a lot of data in order to provide feedback. The Privacy Policy for Windows 10 Technical Preview states that examples of data collected include “your name, email address, preferences and interests; browsing, search and file history; phone call and SMS data; device configuration and sensor data; and application usage” Microsofts feedback collection system will not be part of the official Windows 10 once it launches. Microsoft Principal Application Development Manager Oliver Niehus published a detailed under the covers article about the security, privacy, usability, and manageability of Windows 10.”]