There are already a number of leaked press renders and pics of the possible Galaxy S7 until one of their officials gave me some excitement on their upcoming Unpacked 2016 event at MWC 2016.
Samsung President on IT & Mobile Communications Business Dong Jin Koh was featured in an interview in Samsung Newsroom Youtube on the current state of smartphone market. According to him, the mobile market has entered a new phase of maturity. He also mentioned of what the Galaxy Note series and S6 Edge had done so far.
And thru the last few seconds of this Youtube video. He was asked by a question "Please tell us about the upcoming announcement on February 21". Part of his answer include "...I like to express my sincere and deeep appreciation to my fellow colleaguers who devoted hardwork to come out with the Galaxy S7"