bler, they are worried about yahoo s acquisition may make it uncool. item bler is a blog tumbler is a blog site. yahoo is doing its best to reinvent itself after being left in the dust by google. in that quest, it s agreed to buy tumbler for $1.1 billion. it will give them access to the younger user base. translation, carol, ad dollars. ad dollars. i just find this young man s story fascinating. so he s a teenager when he creates tumbler. he is living with his parents as normal teenagers do. tell us more about him. reporter: yeah, his name is david carp. as you said, he dropped out of high school. this isn t your typical high school dropouts. he left one of the best high schools to be home schooled. he began learning webcote code