The amount of interest of producers in using advertising as a medium for marketing products shows that advertising has an important role as an effective communication medium in introducing and promoting a product to consumers. Currently, advertisements have begun to mushroom in all mass media, including print media, electronic media and the internet. The high use of the internet in Indonesia has made producers more aggressive in promoting a product to consumers through internet media such as Lazada e-commerce ads. The number of facilities offered has received a very good response from the Indonesian people. With the ease of access provided and the relatively cheap prices of goods, it leads people to consumptive behavior. This study uses a quantitative approach. Survey research methods. This type of research explanatory research. The population in this study were students of SMK Muhammadiyah 2 Surabaya from the 2015-2017 class. The research sample was 186 people. This study has 2 independent variables (Ad Impression Intensity and Advertising Element), and 1 dependent variable (Buying Behavior). Data collection was carried out by distributing questionnaires. Hypothesis testing is done with multiple linear regression showing the influence between the intensity of advertising impressions and advertising elements on buying behavior, as evidenced by the results of the F test that Fcount> Ftable (111.280> 2.89). The result of the significance can be seen that 0.000 <0.05. The results of the T test for X1 show that the value of tcount <ttable (-1.494 <1.298), so the variable intensity of ad impressions has no effect on buying behavior. The results of the T test for X2 show that the value of tcount> ttable (14.521> 1.298), so the variable element of advertising has an effect on buying behavior.

In this digital era, cases of SARA (ethnic, race, and religions) are increasing, this is one of the negative impacts of digital disruption. Specifically, the presence of the internet caused SARA become easier to find, social media platforms and online news portals have become tools for the spread of hoax and hate speech, behind it all there are people who are referred as buzzers. This study aims to show how the role of the buzzer in disseminating information and inhibiting the spread of religious moderation among the Islamic community. This study uses a descriptive qualitative approach. The research data was collected purposively and preferably sourced from literature studies and documents that examine the buzzer phenomenon in Indonesia. The results of the research show that in this digital era, buzzers are troubling and threatening the nation. Buzzers have a strong position because of the influence and large following they have. Public awareness is important because from there we can unite to fight buzzer attacks. But the buzzer is not completely negative, the buzzer can also be used to spread positive da'wah messages.

Fish farming in buckets or popularly known as Budikdamber can be an alternative as a food security solution especially during the current Covid-19 pandemic. It can be a solution for community who have limited land for fish and vegetable cultivation. Budikdamber is appropriate technology that can be implemented easily at home with small cost and is able to meet the nutritional needs of the community. The work system of Budikdamber is cultivating fish and vegetables in one bucket which is simple aquaponic system (polyculture of fish and vegetables). The result of this Budikdamber can harvest two types of commodities simultaneously in the form of catfish and vegetables. Community service was carried out in Simomulyo Baru Village, Sukomanunggal District, Surabaya, in March up to April 2021. The objectives of this community service are providing information and giving training on how to use the narrow land for fish and vegetable cultivation in buckets so that people can maintain food security during this pandemic. People in Simomulyo feel the benefits of Budikdamber because of the presence of catfish as animal protein and fresh vegetables that can be harvested at the harvest time. It can economically help reduce the risk of kitchen costs and it can be a solution for food security from the local community.