▁Scient ific ▁and ▁Method ological ▁Cont ribution s ▁Pol ic ies . ▁Vall ad olid : ▁Fac ulty ▁of ▁Social ▁Sciences , ▁Law ▁and ▁Communic ation , ▁ 2 0 1 3 , ▁p .   1 7 3 - 1 8 4 . ▁▁▁ ▁« TV ▁at ▁The ▁Internet . ▁Introduction ▁and ▁Pro gn osis ▁of ▁a ▁Revolution ▁in ▁Audio ▁Visual ▁Market ». ▁Á m bit os . ▁Rev ista ▁internacional ▁de ▁Comun icación . ▁n ª . 2 2 , ▁ 2 0 1 3 . ▁ISSN ▁ 1 1 3 9 - 1 9 7 9 . ▁« Information ▁and ▁Entertainment ▁Ch annels ▁at ▁Under ground ▁and ▁B uses ▁Systems ▁in ▁Spain » ▁( in ▁Spanish ). ▁Studies ▁About ▁Journal istic ▁Message ▁Review ▁ISSN ▁ 1 1 3 4 - 1 6 2 9 , ▁N º ▁ 1 7 ( 2 ), ▁pages ▁ 5 3 1 ▁to ▁ 5 4 8 . ▁ ▁« T ele vision ▁and ▁A udi ence ▁Response : ▁YouTube , ▁comments ▁as ▁a ▁tool ▁of ▁evaluation ▁and ▁its ▁limits ». ▁ 5 th . ▁International ▁Congress ▁on ▁Web ▁Journal ism : ▁Part icip ation , ▁Social ▁Network s ▁and ▁Cy ber media . ▁Universidad ▁Com pl ut ense ▁de ▁Madrid . ▁Madrid . ▁November ▁ 1 6 , ▁ 2 0 1 1 . ▁« Det erm ining ▁the ▁D eg ree ▁of ▁Acc ord ance ▁Effect ▁with ▁the ▁S creens ▁of ▁Sub way ▁St ations ▁Media ▁Ch annels » ▁( in ▁Spanish