# Share It Cada usuário, identificado por e-mail, pode ter outros amigos ## DB usuário(nome, email) product[site/software](nome, admin) productUsers(productID, userID) item[licença](nome, productID, usedBy, usedSince) waiting(userID, itemID, waitingSince) ## VIEWS - Product (administration) - Item (view itens, other itens from the same product if this one is occupied)