Internet
30 questions tagged Internet — spanning every one of the seven Ws.
What is a VPN?
A VPN, or virtual private network, creates an encrypted tunnel between your device and a remote server, hiding your internet traffic from local networks and masking your IP address.
What is cloud computing?
Cloud computing means renting computing power, storage and software over the internet from large data centres instead of owning and running the hardware yourself.
What is 5G?
5G is the fifth generation of mobile network technology, offering much faster data speeds, lower delay and the ability to connect far more devices than 4G.
What is an IP address?
An IP address is a unique numerical label assigned to each device on a network, allowing data to be sent to the right place across the internet.
What is malware?
Malware, short for malicious software, is any program designed to harm, spy on or take control of computers, including viruses, worms, ransomware and spyware.
Which website is the most visited in the world?
Google.com is the most visited website in the world, receiving tens of billions of visits every month.
Which YouTube video is the most viewed?
Baby Shark Dance by Pinkfong is the most viewed YouTube video, with more than 14 billion views.
Which social media platform is the most popular?
Facebook is the most used social network, with around 3 billion monthly active users.
Which emoji is the most used?
The Face with Tears of Joy emoji 😂 is the most used emoji in the world.
Whose company created ChatGPT?
ChatGPT was created by OpenAI, an AI company co-founded in 2015 by Sam Altman, Elon Musk, Greg Brockman, Ilya Sutskever and others.
Whose idea was Wikipedia?
Wikipedia was launched on 15 January 2001 by Jimmy Wales and Larry Sanger.
Whose online bookstore became Amazon?
Amazon was founded by Jeff Bezos on 5 July 1994 as an online bookstore run from his garage in Bellevue, Washington.
How do search engines work?
Search engines crawl the web with automated bots, store pages in a giant index, and rank results using hundreds of signals.
What is a meme?
A meme is an idea, joke or image that spreads from person to person and changes as it goes; the word was coined by biologist Richard Dawkins in 1976.
What is an API?
An API, or application programming interface, is a set of rules that lets one piece of software request data or services from another without knowing how it works inside.
What is phishing?
Phishing is a scam in which criminals send fake emails, texts or calls pretending to be a trusted organisation to trick people into revealing passwords, money or personal information.
What is the dark web?
The dark web is a small, hidden part of the internet that search engines cannot index and that can only be reached with special software such as the Tor browser, which hides users identities.
What is a hashtag?
A hashtag is a word or phrase after a # symbol that groups social media posts on the same topic.
What are browser cookies?
Cookies are small text files websites store in your browser to remember logins, settings and browsing activity.
When was Wi-Fi invented?
The first wireless networking standard, IEEE 802.11, was published in 1997, and the name Wi-Fi was introduced in 1999.
Which YouTube channel has the most subscribers?
MrBeast, which overtook T-Series in 2024 to become the most subscribed channel, passing 400 million subscribers in 2025.
How does fibre optic cable work?
Fibre optic cables send data as pulses of light through thin glass strands, where total internal reflection keeps the light bouncing along the core over long distances.
How Does Email Get Delivered?
Email is passed between mail servers using a protocol called SMTP, which looks up the recipient's domain and relays the message to their mailbox.
When was Wikipedia launched?
Wikipedia was launched on 15 January 2001 by Jimmy Wales and Larry Sanger as a free, openly editable online encyclopedia.
When was the first webcam used?
The first webcam was set up in 1991 at Cambridge University. It monitored a coffee pot so researchers could see if it was full.
Whose creation is the World Wide Web?
Tim Berners-Lee created the World Wide Web in 1989 while at CERN. He also wrote the first website and the key protocols for web pages and links.
Whose invention is the World Wide Web?
The World Wide Web was invented by Tim Berners-Lee. He proposed it in 1989 and built the first working version at CERN.
Whose code helped launch the World Wide Web?
Tim Berners-Lee. In 1989–1991 he created the core technologies of the World Wide Web at CERN.
How does the internet send data around the world?
The internet breaks information into packets that travel across networks of routers and cables. Protocols such as TCP/IP ensure the packets reach the right destination and get reassembled correctly.
How do undersea cables carry the internet?
Most international internet traffic travels as pulses of light through fibre-optic cables laid across the ocean floor, not via satellites.