I saw Justin Lin's status update indicating he was working on the next installment of FF series in Germany last month. And I saw Sung resumed tweeting on the first day of 2012, which is the first one after his previous tweet on Dec 2, 2011. I am so happy to see his started tweeting again! Welcome back! At the same time, I wonder where he has been? Actually, that doesn't matter as long as he is back!