People often get confuse between advertising and public relation. Some people think that both are some or less the same thing. In simplest word one can understand is that advertising is something where one says he/she is the best while PR is making others say that you are the best.
How do you define if your PR agency is good or bad? How can you understand that if your PR agency is really having the right strategy to reach your target audience? How can you measure if your PR agency is able to achieve required results for your brand?