Daily Tech Briefing: April 7, 2014

Days after BlackBerry announced it would terminate its relationship with T-Mobile, the carrier is reaching out to current BlackBerry users. T-Mobile CEO John Legere said that the company would continue to provide full support and regular updates to BlackBerry customers on the network. He also announced a $100 credit toward any new device—including BlackBerry's new Q10 or Z10—through the end of the year.

Tomorrow is D-Day for Windows XP users—when Microsoft will officially end support for the 12-year-old operating system, meaning it will stop issuing updates to protect against online attacks and other issues. While Microsoft has warned users for more than a year, some analysts have said that a quarter of enterprise systems may still be running the OS.

Google is updating its calendar API to give more event management capabilities to its business customers. The tech giant says the improvements to its calendar API incorporate new event IDs, which make it easier to differentiate various activities and manage schedules.

Finally, Apple patched its Safari browser this past week after an initial release on April 1. The update repaired 27 vulnerabilities in the WebKit rendering engine. The Google Chrome Security Team, which has a long history of identifying WebKit security flaws, reported 16 of those vulnerabilities.

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