Answer:
Primary data sources include information collected and processed directly by the researcher, such as observations, surveys, interviews, and focus groups. Secondary Data Collection. Secondary data sources include information retrieved through preexisting sources: research articles, Internet or library searches, etc. Exmaple of preexisting sources modern is something named 'remarketing'. What makes remarketing different from standard Display and Search advertising which is used in a targeting collation.
Remarketing consists of using a special tracking code to place cookies on the browsers of people visiting your website, and then serving ads to those with that cookie, specifically, on the Display and Search network. It can be a very powerful component of a PPC campaign.
The main point with remarketing is that you want to find those people who have shown enough interest in your products or services to visit your website. These people are more likely to perform whatever activity you’re considering a conversion compared to people who have not yet been to your website.
Explanation:
PPC = Pay per click
