Wikipedia is a good example of presumed credibility because at face value it looks credible and most people automatically assume it can be trusted. As most people do not have academic background the perceived notion of Wikipedia is that, while peer-reviewed it can be a trusted source of information.
Amazon is an example of Reputed credibility because as a whole the site is well received and liked. It has a high rating when compared to other sites of a similar nature and is usually well like by its customers.
eBay is an example of surface credibility because it is a site that many people look at while web surfing and doesn’t have quite the ratings sites such as Amazon have. Its visual design is pleasant and utilizes bright colours and is easy to look at and navigate.
Google is an example of earned credibility as almost everyone uses it. It allows people to search for information quickly and people inherently understand how it works and that it is reliable.
Thibeault, J., & Wadsworth, K. (2014). Recommend this! : Delivering digital experiences that people want to share. Hoboken: Wiley.