it is official. tumbler is becoming part of yahoo!. now what. yahoo! bought the website for $1.1 billion this week but it may be worth even more. marissa mayer promised users the company won't screw this up. users are skeptical. laurie siegel sat down with david carp this week and it is so interesting this kid didn't even go -- didn't even finish high school and now he is negotiating with marissa mayer, probably one of the most famous female tech executives for his company. what was her role in all of this? >> marissa mayer has for some reason this charge in the tech industry. you see, all of these young entrepreneurs going to yahoo! now and yahoo! wasn't able to get a lot of the younger start-ups to get involved. it wasn't cool to be acquired by yahoo!. i will say this. david carp really defines cool. he is a new york-based