good-bye to, among others, dave goldburg. one of the nicest people in silicon valley. dying unexpectedly while on vacation with his family in mexico. we said hello to a new zuckerberg. the kid who brought us facebook with a child of his own. 2015 was difficult for ellen poa. she lost her sex discrimination case in the spring and caused a huge uproar as ceo of readit in the summer and resigned by july. >> it's a system error. fix it. >> reporter: "the jobs" movie everyone eagerly anticipates was a bit of a dud. so, too, the apple watch. more talk before than after. there was a new phone. but there always is. >> you want us to walk with you? >> mom and dad with us in public, no thank you. >> reporter: pixar had a hit with "inside out" but "the good dinosaur" lost in the buzz of "star wars." those ipos, there were 23 of them including box and square. square ceo jack dorsy came back to twitter, that was a surprise for some. also a surprise the man who at one time tried to outlaw kids from buy them shoot them up video games in california was accused of gun running. real gun