Top 10 inventions that changed the world in the 21st century

Top 10 inventions of the 21st century that changed the world

History has taught us that humans are the most curious and smartest living organisms on the planet, as a result of this we invent new things.

From the moment some cavemen batched rock together to light the fire, to the development of electricity and the internet, several key advancements stood out as particularly revolutionary despite we’ve just spent 21 years in the new millennium.

Our century is already full with great inventions that changed the world which remind us that no matter how advanced society might be, even curiosity never fail to seek out new advancement in technology.

The start of the 21st century has been a stage that witnessed the major technological inventions that have changed significantly human’s daily lives and activities.

Things happen at an incredible speed even with just a click which has made the world become a “global village”. When we say the 21st century, it comprises the period that started on January 1st, 2001 and it will end on December 31st, 2100.

Here are the Top greatest inventions of the 21st century that changed the world.


Android was originally created as an open-source operating system for cameras but was bought by Google in 2005 and launched as a mobile operating system in 2008.

It is now the primary operating system for Samsung, Tecno Sony, LG, and HTC phones among others. And also used in televisions, game consoles, digital cameras, and other electronic devices.

As of July 2021, Android has about 72% shares worldwide and constitutes one of the cheapest smartphone companies such as Xiaomi, and Micromax in India and China respectively.

A recent finding shows that there are about 2.5 billion active monthly Android users. With superb functionality, Android proves itself as one of the best mobile platforms.

Read also: Android vs iPhone – 6 Reasons why people love iPhone products



The DJI Phantom 4 drone is one of the smartest camera drones to exist.  Equipped with ultra HD 4k camera.

The Phantom 4 allows you to capture superb area images and automatically creates a seamless camera shot on your smartphone.

The Phantom 4 is also ideal to shoot slow-motion pictures as is capable of 120f/s full HD. This device is simply a must for anybody in the video production business.

A lot of other wonderful drones with the high specification has since sprung up used by reporters, photographers, media houses and surveyors to take area pictures and shoot videos.


cloud computing- inventions

What is the cloud? Where is the cloud? Are we in the cloud now? These are all questions already in your mind or you have asked yourself.

The term cloud computing is everywhere. In the simplest term, cloud computing means storing and accessing data programs over the internet instead of your computer’s hard drive. A “cloud” is just a metaphor for the “internet”.

The most common cloud computing is Google drive, Apple’s iCloud, and dropbox.

These cloud services have made it easy for anyone to store, share and access files, document folders, codes, and many more things online.


Facebook, Twitter, Instagram, YouTube e.t.c are all inventions in the 21st century that have transformed the way we live and interact around the world.

All these social networking sites came almost within the same period.

Facebook was not the first social network, but its introduction in 2004 was the most influential in the development of social networks.

2.8 billion users worldwide appreciated multiple features and easy accessibility. The concept of building contacts with virtual interactions has changed the very manner in which businesses market their products and even interact with one another.

You may also like: 11 Whatsapp features you may not know about

YouTube which was created by 3 former PayPal employees in 2005 has grown to become the most popular video-sharing website.

The key to its success is the ability for anyone from anywhere in the world to broadcast themselves for free and make money while doing so.

As a result, YouTube is a melting point for news, political messages, music clips, Jokes, adverts, and of course tutorials for learning.


Apple iPhone - invention

The introduction of the iPhone in 2007 is the most anticipated tech event of the year. Thousands of consumers waited tirelessly to own Apple’s much talked about iPhone.

The company sold over 1 million smartphones within 3 months of its launch. iPhone changed the way people used phones forever.

From the basics of making phone calls, people can now use their devices to access the internet, make payments via Apple pay, exchange email, play games, take live pictures, and watch streaming videos among other functionalities.

Apple’s App Store is the second-largest application store with over 1.8 million available Apps as of 2020.

Currently, Apps can be downloaded on the iPhoneiPod Touch, or the iPad, and some can be transferred to the Apple Watch smartwatch or 4th-generation or newer Apple TVs as extensions of iPhone apps.

Read also: How to Set Up Your Smartphone to Stay Productive


inventions that changed the world - automation

It was in 2008 when google started a self-driving car project. The driverless car Prius has neither a brake pedal, accelerator, or steering. It does not require any form of user interaction and is powered by an electric motor.

The “Prius” makes use of special software, a combination of sensors, and very accurate digital maps to make the driverless safe and smooth.

Predictions have it that by the end of the 21st century, nearly everything will be automated in which we are already experiencing it.

Gates, houses, cars, refrigerators, anything else you can think of will be smarter than you and will be capable of carrying out tasks you might have in mind.

Amazon’s Alexa and Apple’s Siri are some of the smart automation we are currently experiencing that lets you stay connected without lifting a finger.

Sectors like banks, technology, oil and gas companies are also spending millions and billions on automation to make their businesses smarter.


Skype has transformed the way people communicate across borders.

It used to cause a whole lot to communicate to family and friends abroad, but skype has made it possible to speak to them and video chat for free over wifi.

It has been a long time that skype has to break down the language barrier to bring everybody closer together. Researchers, engineers, and translators across Microsoft have been working hard to make this dream a reality.

This opens up a whole new world of possibilities to do even more together, not only across distances but also across languages too.


Unveiled in Sept 2015 marks a lit world reality in which electric cars are simply exotic but just as useful as their competition.

tesla model x - invention

The world’s first luxury electric SUV can go 250 miles on a charge. It features futuristic doors that open like the wings of a bird up north out.

It can hit 60 miles per hr from standstill in 3.2 secs. And its battery pack gave it a low center of gravity enabling the easy handling of the sports car.


rewalk robotics - invention

This is another branch of technology that deals with the design, construction, operation, and application of Robots.

Robots are capable of performing certain tasks that were previously only carried out by humans. This invention can have a huge impact on modern society at all levels.

ReWalk is a revolutionary wearable robotic access skeleton that provides powered hip and knee motion to enable individuals with spinal cord injury to stand upright and walk.

Rewalk robotics

Introduced in the market in 2011, it has commonly become the most widely used device for people with motion problems and is first available for personal ownership.


This is no doubt one of the best inventions that changed the world in the 21st century. AI enables machines to be able to learn, plan, decide, compare, among other things.

Companies and businesses are employing AI to understand the behavior of their customers, provide services and real-time notification support.

Social networking sites are also employing Artificial Intelligence for a better user experience.

Face recognition, fingerprints, neural networks, Natural language processing, vision systems, speech recognition, handwriting recognition, and intelligent robots are all applications of AI which most technologies rely on these days.

Of course, there are a lot of other inventions that changed the world in the 21st century, but these are just some notable ones.

What do you think? Let me see your opinion in the comment section below.

5 thoughts on “Top 10 inventions that changed the world in the 21st century”

  1. Ojewale Clement

    Well done bro, I’m always inspired by your work. I’ve added to my knowledge bank today.Keep the good work. Thanks.

  2. Israel Okanlawon

    Great article… It’s worth reading
    One of the other best invention I hope you will look into are
    1) The birth of SpaceX Reusable Rocket (It changed the space industry, For guess forever)

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