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The American Education System
The American education system is a complex, decentralized structure that reflects the country’s commitment to personal growth and economic opportunity. Unlike many nations with a centralized Ministry of Education, the United States leaves the bulk of decision-making to state and local governments. This results in a diverse landscape where curricula and funding vary, yet the fundamental goal remains the same: preparing students for the challenges of a globalized workforce. Edu
Marcelo Serafim
3 days ago4 min read


Case Study - Share a Coke
The "Share a Coke" campaign remains one of the most celebrated marketing initiatives in modern history. Originally launched in Australia in 2011, the campaign involved replacing the iconic Coca-Cola logo on bottles with the 150 most popular names in the country. This simple yet profound shift from mass marketing to mass personalization fundamentally changed how consumers interacted with the brand. By transforming a global commodity into a personal gesture, Coca-Cola managed
Marcelo Serafim
5 days ago5 min read


Netflix, Warner Bros. Discovery, and Paramount
The $82.7 Billion Shakedown in Hollywood The global entertainment landscape is undergoing a seismic shift, encapsulated by the fierce bidding war and proposed acquisition of Warner Bros. Discovery (WBD) assets. While Netflix announced an $82.7 billion deal to acquire WBD's storied film and television studios and its streaming service, HBO Max, the offer was immediately challenged by a higher, hostile bid from Paramount Skydance. This high-stakes corporate drama is far more t
Marcelo Serafim
Dec 116 min read


How Robotics, Automation, and AI Are Taking Jobs Away — and What This Means for the Global Economy
Over the past decade, robotics, automation, and artificial intelligence (AI) have evolved from futuristic concepts into everyday technologies that increasingly shape the global workforce. Companies across industries now rely on machines, algorithms, and autonomous systems to perform tasks that once required human labor. This shift has accelerated rapidly, raising concerns about job displacement and the long-term consequences for workers. 2. In manufacturing, robots have tran
Marcelo Serafim
Dec 34 min read


Book Review - Sapiens: A Detailed Exploration of the Human Journey
“Sapiens: A Brief History of Humankind” , written by Yuval Noah Harari, is a groundbreaking book that examines the journey of Homo sapiens from insignificant apes to the dominant species on Earth. Harari explains how our evolution was shaped not only by biology, but also by imagination, cooperation, and storytelling. The book argues that humans succeeded because they developed the ability to create shared beliefs, which allowed large groups of strangers to work together.
Marcelo Serafim
Dec 34 min read


The Origins of Black Friday and How Prices Have Changed Over the Years
Black Friday is widely known today as the biggest shopping day of the year in the United States, but its origins are not directly connected to retail or discounts. The term was first used in the 19th century to describe a financial crisis—the 1869 collapse of the U.S. gold market. Two Wall Street investors attempted to corner the gold market, causing economic panic. Newspapers labeled the event “Black Friday,” marking the beginning of the negative association with the phrase.
Marcelo Serafim
Nov 284 min read


Dopamine Addiction: How It Works in the Age of Digital Content
Dopamine is a neurotransmitter responsible for motivation, reward, and the anticipation of pleasure. It plays a crucial role in helping humans learn, focus, and pursue meaningful goals. While dopamine itself is not “bad,” modern environments—especially digital platforms—use design strategies that trigger dopamine release repeatedly, creating cycles that feel addictive.
Marcelo Serafim
Nov 284 min read


Super Apps
A super app is a mobile application that combines multiple services and functions within a single platform. Unlike traditional apps that focus on one purpose—such as messaging, shopping, or banking—a super app bundles many features together. This allows users to complete a wide range of daily tasks without switching between different applications. The best-known example of a super app is WeChat , widely used in China. 2. The main idea behind a super app is to create an ecos
Marcelo Serafim
Nov 274 min read


Tencent: A Business Overview
Tencent Holdings Ltd. is one of China’s largest and most influential technology conglomerates, founded in 1998 and headquartered in Shenzhen. Over the years, it has expanded far beyond its original instant-messaging business to become a diversified digital-ecosystem powerhouse. Structurally, Tencent divides its operations into major groups: social communications (Weixin/WeChat), cloud and smart industries, interactive entertainment (gaming), technology engineering, platform a
Marcelo Serafim
Nov 186 min read


The Concept of Universal Basic Income: Promise or Problem?
The idea of Universal Basic Income (UBI) has gained considerable attention in recent years as societies struggle with unemployment, automation, and economic inequality. UBI is a policy proposal in which all citizens receive a fixed, unconditional amount of money from the government, regardless of their employment status or wealth. The central goal is to guarantee a minimum standard of living for everyone, ensuring that no one falls below the poverty line. Proponents of UBI a
Marcelo Serafim
Nov 134 min read


Climate Change, Real or Fake?
Climate change is one of the most discussed and controversial topics of the 21st century. It refers to long-term alterations in global or regional climate patterns, particularly the increase in average global temperatures. Scientists attribute most of these changes to human activity, especially the burning of fossil fuels, which releases greenhouse gases into the atmosphere. However, some argue that climate change is a natural process that has occurred throughout Earth’s hist
Marcelo Serafim
Nov 134 min read


The Rise and Future of Amazon: A Business Empire Built on Innovation
Amazon, founded by Jeff Bezos in 1994, began as a simple online bookstore and has since evolved into one of the most powerful corporations in the world. Today, Amazon is not just an e-commerce platform; it is a global ecosystem that includes cloud computing, entertainment, logistics, and artificial intelligence. Its incredible growth over the past three decades has reshaped the way people shop, work, and even live, making it one of the most influential companies in modern his
Marcelo Serafim
Nov 114 min read


The Harry Potter Saga: A Magical Journey Through Words and Imagination
The Harry Potter saga, written by British author J.K. Rowling, stands as one of the most influential literary and cinematic phenomena of the modern era. Consisting of seven books and eight film adaptations, the series follows the life of Harry Potter, a young wizard destined to face the dark lord Voldemort. Beyond its spellbinding story, Harry Potter explores themes of friendship, courage, prejudice, and the battle between good and evil, captivating readers and viewers alik
Marcelo Serafim
Nov 64 min read


The Social Credit Idea: A Modern System of Trust
The social credit idea is a concept that seeks to evaluate and regulate citizens’ behavior based on their actions and reputation. Originally popularized by China’s Social Credit System , this model uses data from financial records, social behavior, and even online activity to determine how “trustworthy” an individual or organization is. The concept is controversial because, while it promotes accountability, it also raises concerns about privacy and control. How It Works A so
Marcelo Serafim
Oct 314 min read


3I/ATLAS
The object designated 3I/ATLAS was discovered on 1 July 2025 by the Asteroid Terrestrial‑impact Last Alert System (ATLAS) telescope in Río Hurtado, Chile. Because of its trajectory and speed, the object is classified as an interstellar object: it is not bound by the Sun’s gravity in a normal elliptical orbit, but rather follows a hyperbolic path, indicating it arrived from outside our Solar System. This makes it only the third confirmed interstellar object after 1I/ʻOumuamu
Marcelo Serafim
Oct 286 min read


The Rise of OnlyFans
1. Introduction
Marcelo Serafim
Oct 284 min read


Understanding China: Government, Society, and Economy
1. Introduction
Marcelo Serafim
Oct 214 min read


TikTok: The Global Social Media Phenomenon
Introduction TikTok is a social media platform that allows users to create, share, and discover short videos, often accompanied by music, filters, and creative effects. Since its global launch in 2018, it has become a cultural phenomenon, attracting millions of users daily. Its rapid rise in popularity can be attributed to its algorithm, which makes content highly personalized and addictive. Ownership and Origins TikTok is owned by ByteDance, a Chinese technology company foun
Marcelo Serafim
Oct 204 min read


A Customer-Centric Approach: Putting the Customer First
A customer-centric approach is a business strategy that focuses on putting the customer at the heart of every decision. Rather than building products and then looking for buyers, companies that adopt this approach start by understanding customer needs , preferences, and expectations. The goal is to build long-term relationships, increase satisfaction, and foster loyalty. Today, this philosophy has become one of the key differentiators between successful and struggling busine
Marcelo Serafim
Oct 154 min read


Top 10 Must-Read Classic Books
Pride and Prejudice by Jane Austen Published in 1813, this novel remains one of the most beloved romances in English literature. It follows the intelligent and independent Elizabeth Bennet as she navigates societal expectations and personal growth. Her relationship with Mr. Darcy evolves from misunderstanding and pride to mutual respect and love. Beneath the love story, Austen explores issues of class, marriage, and gender roles in Georgian England with wit and social commen
Marcelo Serafim
Oct 145 min read
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