. >> carlton h. e-mailed is this american community survey even legal? >> i'm laughing with you. this is the census that asks you everything possible, how much you make, where do you work what insurance do you buy, what route do you take to work? it is really, really intrusive. and by law you have to answer every single question. and if you don't when they mail it to you, they'll show up on your doorstep maybe more than once. they can fine you for this. i've never heard of that actually happening. here's why you want to cooperate. this decides often how much money your local schools are going to get whether there will be a new bus route. really, really impacts your government services. >> so it's valuable but it is uncomfortable. >> it is uncomfortable. >> imagine finding out your spouse wants to divorce you on facebook. >> and a reality tv show dad is getting ready to speak to abc's diane sawyer. >> olympic gold medalist bruce jenner is opening up to diane sawyer. abc news confirmed the exclusive interview will air friday as part of a special edition of "20/20." >> it will be je