Network Effects of Twitter Blue Verification Pricing
Source: https://www.cnbc.com/2022/11/10/poll-will-verified-twitter-users-pay-to-keep-their-blue-checkmarks.html Following Elon Musk’s acquisition of Twitter, a number of changes came very quickly. One of these is the decision to charge $8/month for a Twitter Blue subscription that would allow any user to have a blue checkmark that previously was only given to celebrities and other well-known figures. This decision resulted in mixed […]
Information cascades in the classroom: the relationship between in-class feedback and course performance.
Information cascades in the classroom: the relationship between in-class feedback and course performance. https://collected.jcu.edu/cgi/viewcontent.cgi?article=1025&context=jep The paper analyzes the existence and effects of information cascade in a college classroom setting. A professor conducts a study where he observes the behavior of how students influence each other on answering questions they are given. The professor […]
Network Effects in Stem Cell Line Studies
In the field of biological research, many studies are done using cell lines. These are a type of in vitro study, in which some phenomenon is tested within the context of a living cell. Thus, these cell lines are used as model organisms for diseases. Many research labs generally use the same group of cell […]
Ethan’s Blog Post Number 2
Source: https://www.nytimes.com/2022/10/09/technology/meta-zuckerberg-metaverse.html This article is about Facebook’s recent struggles to create a virtual reality world called the Meta Verse, and how its failure here could trigger an information cascade that might go far beyond the company’s venture into virtual reality and negatively impact its entire operation. The story of Facebook’s decline can be dated […]
Using Network Analysis to Identify Genuine and Fraudulent Social Media Profiles
Last night I received a follow request on Instagram from Sharon_lee881116. It didn’t take me long to determine the account was fake, or at least was not close enough to me or my network for me to accept their request. As our digital social lives become a larger part of everyday life, we have to […]
The Monty Hall Problem Using Bayes’ Theorem
The Monty Hall Problem is perhaps the most famous mathematical brain teaser that involves conditional probabilities and the concept of variable change. In an issue of Parade magazine, one author gave a brief yet complete description of the problem that I consider the best. It goes as follows: “Suppose you’re on a game show, and […]
The Networks Dynamics of “Mean Girls”: A Study on the Collapse of Cooperation
The question of who around us is trustworthy has plagued human social groups for millennia. It has occasionally led us to some dark places– the formation of in- and out- groups is often detrimental to the well-being of society as a whole, and especially its most vulnerable members. But if this is the case, why […]
Rating Movies & Information Cascades
In a world full of algorithm recommendations on Google, Youtube, and Tiktok, sometimes we look for ratings from others for that personal touch. Or sometimes, they fall into our lap. Whether you overhear a stranger’s conversation or ask your friend about their weekend, it seems like there is always another movie to add to that […]
Cults and False Information Cascades
On November 18, 1978, one of the largest mass suicides occurred in modern history at a remote place named Johnstown. 912 people, following the orders of cult leader Jim Johns, committed suicide by drinking poisoned kool-aid. While the actions of those people may seem irrational and fanatical for most people, there may be more complex […]
Network Effects and Information Cascades in Real Estate
Network effects are widely study in the space of social media networks. In this context, value is added to the platforms when more users participate on the platform. For example, increased participation makes it easier for users to virtually connect with individuals and provides a central stage for an individual to post relevant information. While […]
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