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The Evolution of AI : Part Two

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The Rise of Machine Learning: Deep Learning and Modern AI

A continuation of "The Evolution of AI" series

Artificial intelligence (AI) has never followed a straight path. It has been shaped by bold shifts, critical challenges, and groundbreaking breakthroughs. 

In the previous blog, we explored the early days of AI—from Ada Lovelace’s visionary algorithms to the Dartmouth Conference that defined AI as a discipline. Now, we turn our attention to a defining shift in AI’s history: the rise of machine learning and deep learning and how these innovations have propelled AI into real-world applications across modern industries.

Additionally, for more on the evolution of AI and its impact on modern industries, check out Ippon's other blogs about AI!

Moving Beyond Rules: The Shift Toward Learning Systems

jason-leung-y2O7EU5ZSTw-unsplash In the decades following the Dartmouth Conference, symbolic AI dominated research. These systems used hand-crafted rules and formal logic to mimic human reasoning. While successful in narrow domains, symbolic AI soon revealed its limitations. Real-world environments are messy, ambiguous, and unpredictable—conditions where rigid rules often fail.

By the 1990s, a new paradigm was gaining ground: machine learning (ML). Unlike symbolic AI, which relied on explicit programming, machine learning focused on enabling machines to learn from data. Rather than telling a computer what to do step by step, developers began designing algorithms that could discover patterns, make decisions, and improve through experience.

Machine learning wasn’t just a change in technique—it was a change in mindset. Systems now had the potential to adapt, evolve, and improve over time, moving us closer to AI that could function in dynamic, real-world settings.

The Algorithms That Shaped a New Era

An algorithm, in the context of AI, is a step-by-step set of instructions that a computer follows to solve a problem or make a decision.

Think of it like a recipe—the ingredients are the data, and the algorithm is the method used to turn that data into something useful, like a prediction or classification.

Different types of algorithms helped early machine learning systems "learn" from data in different ways:

  • Decision trees work by asking a series of yes/no questions—like a flowchart—to sort data into categories.
  • Support Vector Machines (SVMs) separate data into groups by drawing a line (or boundary) between them. The goal is to find the line that leaves the biggest gap between the two groups so the model can tell them apart as clearly as possible—even with new data.
  • Neural networks are modeled loosely after how human brains work. They consist of layers of connected nodes (“neurons”) that process information and adjust over time, allowing the system to learn complex patterns and improve with more data.

Processes like these laid the foundation for systems that could recognize patterns in everything from financial transactions to medical scans. Still, their capabilities were limited by the era’s data and computing power.

The Deep Learning Breakthrough

brecht-corbeel-ny7zp6dwycw-unsplashBy the late 2000s and early 2010s, two key developments accelerated progress: the explosion of big data and the growth of computational power through GPUs. This created a rich foundation for deep learning, a specialized branch of machine learning based on multi-layered neural networks.

Deep learning systems excelled where previous methods struggled: interpreting unstructured data like images, video, audio, and natural language. Rather than relying on human-engineered features, these networks could automatically learn hierarchical representations—detecting shapes in images, patterns in speech, or grammar in text without explicit programming.

One of the most public demonstrations of deep learning’s power came in 2016, when Google’s AlphaGo defeated the world’s top Go player, Lee Sedol.

Go, a game considered too complex for brute-force strategies, was conquered through deep learning and reinforcement learning. AlphaGo didn’t just follow rules—it taught itself by analyzing millions of games and playing against itself to discover winning strategies.

Another landmark was the rise of large-scale language models, like GPT (Generative Pretrained Transformers). These models revolutionized natural language processing, enabling machines to write, translate, summarize, and converse in ways previously thought impossible. Today, tools built on these technologies power everything from chatbots to automated content creation.

Real-World Impact: AI Across Industries

The shift from rule-based to data-driven AI transformed not only research labs but entire industries.

These applications were unimaginable in the days of symbolic AI. It was the ability to learn from data—not just follow logic—that opened the door to widespread, real-time, and intelligent automation.


The rise of machine learning and deep learning has ushered in a new era of AI—one marked by adaptability, scale, and intelligence that feels closer than ever to human capability. Yet, we’re still early in the journey. Researchers are now exploring explainable AI, multi-modal models, and AI safety, ensuring these systems are not only powerful but also ethical, transparent, and aligned with human values. 

Curious to hear more? Take a look here to view our Frequently Asked Questions about AI, and stay tuned for the next chapter of this series!

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Data, AI
Post by Eleanor Estwick
Jul 1, 2025 1:15:00 AM

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