E-sellers need to build buyer confidence in new transactions through a variety of transaction services so they can create retention behavior drivers. The research aim is to examine the driving factors for shaping customer retention by understanding the pattern of transaction characteristics and trust in online purchases in e-commerce. Questionnaire data collection came from buyers in the top six e-commerce in Indonesia with a purposive technique. We use PLS-based SEM analysis to answer hypotheses. As a result, we accepted all hypotheses, namely customization, contact interactivity, care, and character factors that had positive and significant effects on trust and buyer retention. Trust has proven to be an essential factor in shaping buyer retention on e-commerce sites.

This study investigates the effect of marketing via Instagram on Generation Z’s preference for gyms in Jordan, so it would be helpful for marketers of gyms to be aware of using Instagram to attract Generation Z as their potential customers. Moreover, a sample questionnaire was carried out with 138 respondents, which were mostly female respondents (74%) and male respondents (26%). Additionally, 51% of the total number of respondents were 21-24 years old. Therefore, the data was analyzed by applying various statistical techniques such as Cronbach’s alpha for testing the reliability of the data, and multiple regression using SPSS version 22 for examining the hypotheses. Likewise, the results showed that Instagram and these variables (entertainment, interaction, trendiness, and customization) have an effect on customers' brand choice, but trendiness did not have a significant effect on the consumer's brand choice, but after testing the effect of the brand image, it became clear that it has significant effect, and therefore it was concluded that brand image has an important effect on customer’s brand choice.

The purpose of this study is to analyze the effect of customization purchase intention of Smartphones, entertainment, interaction, social media marketing, trendiness, and Word-of-Mouth on purchase intention of Smartphones. The study uses a quantitative method by distributing online questionnaires to 217 consumers in Banten Indonesia and the method of distributing questionnaires is a snowball sampling system. Data processing and testing of hypotheses and models in this study are based on Structural Equation Modeling (SEM). The research has benefits in increasing knowledge and information for companies about the importance of brand awareness through increasing influencing factors such as social media marketing and word of mouth. Based on the results of SmartPLS analysis, Interaction, Word-of-Mouth, Social media marketing, Entertainment and Trendiness have insignificant effects on purchase intentions of Smartphones while Customization has significant effects on purchase intentions of Smartphones during.

The development of the internet infrastructure has generated a new phenomenon and lead to some changes in business strategies as it allowed two-way communications among consumers and companies. At present, social media play a key role in communicating information to people around the world and clearly play a vital role in increasing interaction and awareness in an important way. At present, awareness of diseases has disappeared with new methods. Social networking sites like Twitter, Snapchat and Facebook may change the roles the meanings of information delivery and play a superior in that scope. This research investigates the main factors of the power of social media activities (customization, and e-WOM) towards in-creasing Saudi’s awareness on using m-healthcare apps. The results indicate that customization had a positive and direct influence on increasing Saudi’s awareness towards using m-healthcare apps (Brand Awareness). e-WOM had a positive and direct influence on increasing Saudi’s awareness toward using m-healthcare apps (brand awareness), confirming that the power of social media activities was an imperative contributor to brand equity (brand awareness).