There are a lot of different places to advertise, and we have articles about the specifics of many of them. However, platforms change, get updated, gain and lose pieces of functionality. If you understand the basic concepts in this Essential, then you will be able to adapt to whatever platform that suits your books the best. The important thing to remember is that everything works together. There are a lot of parts in an ad campaign, and if any one of them is subpar, the possibility of profit plummets. Profitability The main thing an ad has to be is profitable….