emily: before we go, i understand there is a third collison brother who, as i hear, is even more tech than you are? tell me about tommy. >> tommy is a four years my junior. tommy was very interested in this topic that we talk about, about the implications of technology and the fact that more of our lives are moving online. he was really interested in that before it was the talk of the town and before it was the cool thing to be into. so he worked at the electronic frontier foundation, which is a very storied nonprofit around digital rights and digital privacy and things like that. he now works for a nonprofit called tor who produce traceless or privacy preserving software. it is especially used by journalists and stuff like that. i think he is the one to watch, really. he is taking a very different tack on this stuff. emily: he was born with cerebral palsy. i'm curious how that impacted your relationship as a trio? >> it affected the whole family environment. as a kid, growing up, whatever circumstances you grew up in, you consider normal. for him, and for our family, it was sort of v