screen1: ranking of top40 for importance and tweet this news during the day, but not at the same time. Is important that the users can share this news via facebook, twitter & linkedin. The ranking shoul show what news go up & down based in the opinions of the users.
screen2: resume of all the news by categories.
screen3: one that show the people their favourites (previusly they have to tag favourite un sreen1) news and vote for the ranking of the app.