7 Stories You Need To Know Today

Google releases modular smartphone developer kit and Bobbi Brown to head up Yahoo Beauty as the company looks more like a women’s magazine.

Condoleezza Rice joins Dropbox’s executive board. TechCrunch

Bobbi Brown becomes editor-in-chief of Yahoo Beauty. The Drum

Military academies’ cyber defense exercise trains cadets in cyber security. USA Today

New app lets you unsend emails, or have them self-destruct. The Telegraph

Facebook and Twitter offer little influence on TV watching. The New York Times

Google releases modular smartphone developer kit. TechCrunch

Scrabble adds ‘Geocache’ to its dictionary. Mashable