Class 12 - Big Data Big Insights in Hindi | summary | HSC

Summary

This video provides an in-depth and accessible explanation of Big Data, its applications, and its impact on various industries. It explains how companies track and utilize data, such as location, shopping habits, and social media interactions, to target ads and offer personalized experiences. The video covers how Big Data is used in weather forecasting, healthcare, finance, sports, education, and even combating cybercrime. It emphasizes the growing role of data in shaping modern technology and how it drives decisions and services in various sectors.

Takeaways

• 😀 Big data refers to the vast amount of data collected from internet usage, such as search histories, forms, and online browsing, which companies use for targeted advertisements.
• 😀 Personal interests influence what ads you see online. For example, searching for iPhone 7 on Amazon might show you ads for iPhone 7 on YouTube later.
• 😀 Data is used to track locations in real-time. For instance, searching for a location like the Taj Mahal will show you the exact coordinates on Google Maps.
• 😀 Big data also helps in weather forecasting by analyzing data from satellites and sensors to predict future weather patterns and potential natural disasters.
• 😀 Data is collected in various sectors, including healthcare, where devices like smartwatches track your health data, such as blood pressure and sleep patterns.
• 😀 Social media data can also indicate health trends or epidemics by identifying common symptoms reported by users in specific locations.
• 😀 In finance, big data is used to provide personalized investment plans based on individual goals, whether short-term or long-term.
• 😀 The stock market relies heavily on big data, as it analyzes trends and patterns in real-time to determine stock prices.
• 😀 Big data is crucial in cybersecurity, as it helps detect and prevent fraud, such as when money is wrongly deducted from an account due to a failed transaction.
• 😀 Data in sports is stored to track players' performances, including statistics like runs, wickets, and other key metrics, to evaluate and strategize better.

Q & A

What is Big Data?

Big Data refers to the vast amount of data collected from various activities on the internet, such as searches, social media interactions, and online purchases. This data is then used to analyze patterns, predict behaviors, and show relevant advertisements or content.

How does Big Data influence the advertisements we see online?

Companies use the data collected from your internet activities, like searching for products, to display ads related to your interests. For example, if you search for an iPhone on Amazon, you'll likely see ads for iPhones on YouTube or other platforms.

What are some real-life examples of how Big Data is used?

Big Data is used in many ways, such as location tracking via Google Maps, weather forecasting using satellite data, monitoring health through smartwatches, and providing personalized product recommendations based on online searches.

How do companies use data to personalize the content we see on platforms like YouTube?

Platforms like YouTube analyze your viewing history and preferences to show you more content you're likely to enjoy. For instance, if you frequently watch old Bollywood songs, you'll see more such videos because the platform understands your interests.

What is the role of Big Data in weather forecasting?

Big Data helps meteorologists predict weather patterns by collecting and analyzing data from satellites and sensors. This data provides insights about temperature, rainfall, and other weather conditions, allowing for more accurate forecasts.

How can Big Data be useful in healthcare?

In healthcare, Big Data is used to monitor patients' health through smartwatches and mobile apps. These devices collect data on heart rate, sleep patterns, and physical activity, helping individuals track and improve their health.

What is the significance of Big Data in banking and finance?

Big Data allows banks to personalize investment plans based on customer interests and goals. It helps identify short-term and long-term financial strategies for customers and also aids in the stock market by tracking trends in buying and selling patterns.

How does Big Data contribute to social media and advertising?

Big Data helps companies target ads to specific users based on their online behavior. For example, if you're searching for sports shoes online, you'll see related ads on platforms like Facebook or Instagram, making advertising more effective.

What are the challenges associated with handling Big Data?

Handling Big Data is challenging due to its massive size. Companies need to regularly update their technology to store, manage, and analyze the data effectively. Moreover, securing this data is crucial to prevent misuse or data breaches.

How can Big Data be used to prevent epidemics?

Big Data can help identify potential outbreaks by monitoring trends in health-related posts on social media or health apps. If many people in a specific area report similar symptoms, it may signal the spread of a contagious disease, allowing for early intervention.