Week 2.1 OSM APIs and tools for data collection

Social Media Dynamics & Data Volume
📌 Online social media generates massive amounts of data; for example, 400 hours of video are uploaded to YouTube and 3.3 million posts are made on Facebook every 60 seconds.
📊 Content is characterized by the 5 V's: Volume, Velocity, Veracity, Variety, and Value.
⚠️ Social media activity has significant real-world consequences, ranging from compromised accounts spreading misinformation to physical societal panic caused by fake content.

Technical Framework for Data Collection
🔗 APIs (Application Programming Interfaces) serve as the essential "tunnel" between your program and social media services, allowing for programmatic data collection.
🚫 Always account for Rate Limits set by service providers, which restrict the total amount of data you can extract from platforms like Facebook or Twitter.
🐍 Python is the primary programming language for this workflow due to its extensive libraries for parsing JSON data, interacting with APIs, and managing URL requests.

Data Storage & Visualization
💾 Collected data is typically returned in JSON (JavaScript Object Notation) format, which can be visualized using tools like JSON Viewer to inspect specific fields.
🗄️ For long-term storage, data is commonly dumped into relational databases like MySQL or document-oriented databases like MongoDB.
🔍 Management interfaces such as phpMyAdmin (for MySQL) and RoboMongo (for MongoDB) are used to query and inspect stored records effectively.

Graph Theory in Social Networks
🕸️ Facebook structures its data as a Graph: users, posts, and pages function as Nodes, while interactions like likes, comments, and friendships function as Edges.
📈 This underlying architecture is why the platform’s interface is officially designated as a Graph API, as it prioritizes the relationship between data points.

Key Points & Insights
➡️ Prioritize Community Engagement: Before posting questions in course forums, always search existing threads to see if your query has already been answered.
➡️ Optimize Your Environment: While Python can run on Windows, Linux is recommended for better compatibility and support during technical tutorials.
➡️ Understand Authentication: When using APIs, you must master the process of generating secret keys and managing user authentication to successfully access social media data.

📸 Video summarized with SummaryTube.com on Oct 21, 2026, 16:56 UTC