“…In addition, Rossi (2016) found four essential elements that fashion bloggers should possess to significantly influence their followers: trustworthiness, expertise, personal relevance, and authenticity. Four other factors were shown, by Zain, et al (2018), to control the effects of fashion bloggers on pre-purchase decision: opinion leader endorsement, eWOM, online community engagement, and dialogic co-certain value. Teng, (2018) found a big influence of Instagram posts of fashion bloggers on consumer's behavior based on some factors like trustworthiness, credibility, strength, immediacy, number, reach, retention and channel.…”