To date, there are over 56 million U.S. residents who are Internet users. There are some disadvantages to using this medium. With technology constantly changing, it is difficult to completely control the user experience over time. Secondly, the return on investment is sometimes difficult to measure. Lastly, not everyone is online.
Timing is an important aspect when placing advertising.
If you place an ad too soon, people may forget about your event. If you place an ad too late, people may already have plans or purchased another product. By doing this you maximize your chances of reaching your entire audience. There is no correct schedule to advertise a product, but two factors should be considered. Second, companies need to consider the forgetting rate, the speed at which buyers forget the brand if advertising is not seen nor heard.