Jump to Comments by Alex Wu As there are more and more options for advertising, you have to carefully decide which one is more effective and cost-efficient for your business. Free advertising is not a new thing, since some kinds of businesses now also need mutual relationship with advertisers. So let us assume that you have resources and free choices between choosing any. Now let’s check the advantages and disadvantages of each. 1. Opportunity cost. If you compare between paid advertising campaigns on TV, r