The aim of the research is to analyze the influence of viral marketing and customer reviews on purchasing decisions with consumer trust as a mediating variable. In marketing theory, purchasing decisions can be improved by mediating consumer trust, so that products can be sustainable. The study was conducted on Indonesian iced tea products, which are typical tea leaf products from Indonesia. The type of research used in this research is quantitative and analyzed using PLS. 105 respondents in the research were customers of Indonesian iced tea products in Palangka Raya City. The research results show that viral marketing, customer reviews mediated by consumer trust variables had a significant positive effect on purchasing decisions, viral marketing had a significant positive effect on purchasing decisions, viral marketing had a significant positive effect on consumer trust, customer reviews had a significant positive effect on purchasing decisions, customer reviews had a significant positive effect on consumer trust and consumer trust had a significant positive effect on purchasing decisions for Indonesian Iced Tea products in the city of Palangkaraya.

This research aims to examine the effects of two viral marketing attributes; namely viral advertising and E-WOM on customer purchase intention. In particular, the authors contemplate the prima facie nature of the relationship by examining brand image and age as contingent boundary conditions (moderator role). The population of the study consists of graduate students in a private Cypriot university. A sample size of 177 participants is recruited using a convenience sampling technique. Multiple linear regression and analysis of variance are the statistical analyses employed to test the developed hypotheses. The findings reveal that viral marketing influenced on customer purchase intention magnified under the moderating role of brand image but age did not affect the relationship. Interestingly, viral advertising had a greater effect on customer purchase intention than E-WOM. Finally, discussions of this research finding in light of academic knowledge are put forward before suggesting future research directions.

The purpose of this study was to analyze the relationship between buzz and viral marketing strategy on supply chain performance and visit interest of restaurants in Banten Indonesia. This type of research used explanatory with a quantitative approach using SEM-based variance analysis, this is because the dependent and independent variables in this study amounted to more than one so that they could use variance-based SEM to summarize the formulation of the analysis. The study was conducted on 120 restaurant owner respondents in the province. Banten Indonesia. The distribution of the questionnaire in this study was carried out in two stages, namely the distribution of online questionnaires via google form to restaurant owner consumers. The sampling technique used in this study is accidental sampling, namely the determination of the sample based on accidental samples. The results of this study are buzz marketing has a significant effect on supply chain performance, buzz marketing has a significant effect on visit interest, viral marketing has a significant effect on supply chain performance, viral marketing has a significant effect on visit interest, visit interest has a significant effect on supply chain performance.

Previous research states that viral marketing has an important role in increasing consumer purchasing intentions, viral marketing can also encourage increased brand awareness. This research aims to analyze the relationship between Viral marketing and purchasing decisions, Brand awareness and purchasing decisions, and Viral marketing and purchasing decisions. This research method is quantitative through surveys, research data was obtained by distributing online questionnaires to 720 selected online shop customers in Indonesia using a simple random sampling method, and the online questionnaire was designed using statement items with a Likert scale of 1 to 7. Data analysis used a structural equation model based on covariance (CB-SEM) with SmartPLS 4.0 software to analyze research data. The independent variables are viral marketing and brand awareness, and the dependent variable is purchasing decisions. The stages of data analysis are validity testing, reliability testing, model fit testing, and significance testing of hypothesis testing. The results of this research are that Viral marketing has a positive and significant relationship with purchasing decisions, Brand awareness has a positive and significant relationship with purchasing decisions, and Viral marketing has a positive and significant relationship with purchasing decisions. Viral marketing is one of the factors that can influence purchase intentions. Viral marketing is expected to have multiple effects because many people who receive the message can convey it to tens or even hundreds of other internet users. Brand awareness can influence consumers toward purchasing decisions, which states that brand awareness has a significant influence on purchasing decisions.

One of the most advantages of the internet and its expansion is probably due to its easy and low cost access to unlimited information and easy and fast information exchange. The accession of communication technology for marketing area and emergence of the Internet leads to creation and development of new marketing models such as viral marketing. In fact, unlike other marketing methods, the most powerful tool for selling products and ideas are not done by a marketer to a customer but from a customer to another one. The purpose of this research is to analyze the relationship between customers' loyalty and the acceptance of viral marketing based on the theory of technology acceptance model (TAM) model among the civil engineers and architects who are the members of Engineering Council in Isfahan (ECI). The research method is descriptive–survey and it is applicable in target. The statistical population includes civil engineers and architects who are the members of Engineering Council in Isfahan including 14400 members. The sample size was determined 762 members based on Cochran sampling formula, the sample was selected as accessible. The data was collected by field method. Analyzing the data and recent research hypothesis, the data was extracted from the questionnaires. Then, all the data was analyzed by computer and SPSS and LISREL software. According to the results of the data, the loyalty of the civil engineers and architects members of ECI was associated with the acceptance and practical involvement of viral marketing.