Sonic celebrates his 25th anniversary at E3, according to Gamnesia.
GDC and SXSW E3 panels have passed. NYCC SDCC and PAX East are coming up along with the Summer of Sonic and other events such as that at House of Blues.
Sonic 3D Collection came out this year. There have been a lot of givewaways. Creative Commons modding for the new Sega Steam emulator.
What else will SEGA do this year?