Which people are texting or using electronics in their home and using computers and you came up with some things people can do, straightforward things parents and kids can do. in this case we're not talking about not having an access to -- to cell phones, for instance, in the long term in schools, so what's the way in which that can be applied that's useful? >> so, for teachers, i think that it's really important for them especially for teachers who are a little bit afraid of technology, a lot of teachers who say i don't know what twitter is and i'm not sure what a wiki is, the first thing the...