Advertising on billboards, Radio and TV is never efficient since you don’t have a profile of the people who will be exposed to the message. If you’re selling internet connection, for example, it is of no use to you if your billboard at some road is viewed be 2,000 bus drivers every day! To the contrary, all online advertising will be extremely effective and efficient. You can be sure that any message presented at internet will reach a specific group of people. This is because virtually 100% of internet visitors are:

Have computers and internet connection; thus they have a certain level of awareness and income (which translates into purchasing power).