The aims to study is to find out how the competition between Indomaret retail and Alfamart is by looking at the analysis of marketing strategies using STP marketing and the application of the marketing mix. The method of writing this article is descriptive analysis with a qualitative type. then use internet searching as an aid in finding data in writing this article. The results in this study will find out the application of STP Marketing and marketing mix in two phenomenal retail businesses, data on competition between Indomaret and Alfamart in their business activities from the marketing side to be offered to consumers throughout the community.

This paper aims to discuss the emergence of the phenomenon of mutual flexing carried out by Muhammadiyah universities on TikTok social media. So far, every business entity that carries out promotions for its agency tends to avoid offending other agencies and only focuses on discussing the advantages of its products, even if it has to touch other institutions. This has never been done openly. This research was conducted using a qualitative approach with phenomenological analysis. The author collected data with participant observation to find out the participants’ essential phenomena in their life experiences. In this case, the author managed the content of official social media creators of Muhammadiyah Universities who created TikTok publication content. Then based on the data obtained from the resource persons, the author draws a research conclusion. The conclusion of this study shows that flexing activities carried out by content creators of Muhammadiyah Universities have the potential to become a new form of publication style that has never existed before among universities.

Various Corporate Social Responsibility activities must of course be conveyed appropriately and according to the wishes expected for the surrounding community. The purpose of writing this article is to see how the implementation of CSR activities in several companies in Indonesia by doing good communication for the program. The method used in this paper is to show several cases of CSR implementation in Indonesia for descriptive analysis. The results to be obtained are knowing if the two-way communication model is more effective in delivering CSR programs to the community, because this delivery is able to provide feedback between the company and the community, so that the community gets positive benefits from the company's business industry activities and the company can also assess the response positive or negative of the program that will be made or has been implemented in the local community.

This study aims to determine the magnitude of the influence of the intensity of the Instagram stories feature on the level of intimacy of Interpersonal communication and to find out how the influence of selfopenness on the level of intimacy of Interpersonal communication on Instagram story users on Instagram. The method used is an explanatory method with the positivism paradigm, this is used to examine the extent to which variations in a factor are related to other factors. Then the data analysis technique uses simple linear regression. The results of this study show that t count > from t table which is 3,844 > 2,348 can be interpreted as Ho rejected and Ha accepted. Then the result of the coefficient of determination (R2) showed a number of 0.189, which means that the intensity of use of the close friends feature by some users had an influence of 18.9% on the level of intimacy of interpersonal communication, an influence that was seen to be small and could influence other users to actively communicate while the rest was influenced by other factors that were not included in this study by 81.1%. Thus, this shows that the intensity of the close friends feature has a positive influence on the level of intimacy of interpersonal communication and also the encouragement of self-openness from users of the close friends feature to the selected list of friends in increasing interpersonal communication with other users