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Machine learning imitates human learning by analyzing data and making predictions that can be used as an input for other tasks. Language translation, streaming services, chatbots, and search engines are all powered by machine learning. Here’s what you need to know about machine learning and its use.
Jan 26, 2022 · 4 min read
Machine learning is behind most services we use today. Various businesses adopt machine learning because it can find patterns in data and improve their services without changes in code.
Take Facebook ads as an example. If you're an avid hiker interested in camping gear and the latest GPS tracking gadgets, you will most definitely receive outdoor-related ads. Machine learning analyzes your browsing history, the websites you visit, and the people you follow on Facebook to provide you with relevant ads. This analysis of your behavior highly increases the chances that you will make a purchase.
As soon as you adopt a new hobby or search for something online you haven’t searched for before, machine learning immediately starts to target you with different ads. It constantly analyzes changes in your behavior, attempting to provide users with the ads they are most likely to click on and driving revenue to services.
Here are some well-known examples of machine learning applications in day-to-day life:
In supervised learning, an algorithm is presented with input data and desired output data so it can be trained to make predictions. After an algorithm analyzes the data, it discovers a pattern and gradually learns how to correlate input data into output data. Now it can operate independently and serve its purpose.
The learning process for the algorithm doesn’t stop here. It continues to discover new patterns while analyzing incoming data.
Unsupervised learning algorithms don’t need human intervention because they can find patterns in data themselves. This ability allows them to perform more complex and versatile tasks than supervised learning. However, unsupervised learning algorithms are less accurate.
As the name suggests, semi-supervised learning adopts a bit of both supervised and unsupervised learning. It uses labeled and unlabelled data so a model can learn and make predictions for new data entries.
Semi-supervised learning is often used when there’s not enough data for an algorithm to learn. However, this lack of data can result in less trustworthy outcomes.
In reinforcement learning, a model gets rewards or penalties based on its actions. It’s up to a model to figure out how to get more rewards and fulfill its tasks. Reinforcement learning algorithms solve complex problems and are not used for simple tasks. By trying different methods to solve a problem, a model eventually finds one that maximizes its reward.
While the terms machine learning and AI are often used interchangeably, they shouldn’t be considered synonyms. AI is a concept that defines machines that can simulate a human way of thinking and behavior. Machine learning is a subset of AI that allows machines to learn various patterns and solve problems.
Deep learning tries to mimic the network of human neurons, turning it into an extremely sophisticated system that can make decisions on its own. Deep learning is a subset of machine learning. However, it’s considered to be more advanced.
Machine learning needs human intervention, whereas deep learning can evaluate the results itself and decide if they’re satisfactory. Since deep learning can learn from its own mistakes, it’s often compared to the human brain. While it might sound like science fiction, futurists’ predictions for 2025 say that we can go even further than that.
While machine learning can improve user experience, it can also be used for controversial purposes, such as surveillance. Many cities use facial recognition software to monitor public spaces and identify criminals. However, privacy activists have raised concerns about its accuracy and whether it’s ethical to spy on people.
AI still lacks decent regulation and international laws. We can’t be sure how AI technologies are used and who’s collecting our private data. It can even serve malicious purposes and benefit various threat actors.
Big companies have more resources to adopt AI and push their competitors out of the market. Computing experts agree that those who own AI technology are a few steps ahead of everyone else.
Businesses collect a lot of data about us, from browsing habits to location (learn more about this issue). While they claim this information is needed to provide users with the best possible experience, it also raises ethical dilemmas. We can’t be sure how our data is stored and who can access it. Since data breaches happen every day, data collection makes us all vulnerable.