When a radio company was the biggest tech stock around

The organizer of CES originated as the Radio Manufacturers Association in the 1920s

This centennial page explores the Consumer Technology Association’s 100-year history, from its founding in 1924 shortly after the invention of the radio, to its leadership of CES Las Vegas. Read through the history of the wireless age and how it gave birth to a growing consumer electronics movement.

Guglielmo Marconi overshadowed Nikola Tesla through commercialization

Despite Tesla envisioning wireless power and communication earlier, Marconi developed practical implementations of wireless communication, including transmitting the first transatlantic radio signal. The technology, which facilitated telegraphy critical for warships and navies, earned Marconi the 1909 Nobel Prize in physics.

The dot-com boom made Mark Cuban a billionaire

Cuban co-founded AudioNet with Todd Wagner in 1995 before it became Broadcast.com—a web app that allowed people to listen to sports commentary on their computers if they couldn't watch a game. In 1999, Yahoo bought Broadcast.com for $5.7B. By the time the market crashed, Cuban had already sold most of his stock in the company and had become a billionaire.

The American Research and Development Corporation is considered the first modern VC firm

Best known for investing in companies that wanted to utilize some of the technology developed during World War II, the ARDC’s cofounders all held prestigious positions at places like MIT and the Federal Reserve Bank of Boston.

The start of commercial radio depends on how someone defines the word 'commercial.'

Explore a list of well-known monopolies

Many American monopolies popped up during the rapid industrial growth of the Gilded Age. Industries like steel, tobacco, railroads, and telecommunication have all been monopolized at some point in history.

See a timeline of Silicon Valley's greatest innovations

Silicon Valley is home to some of the biggest innovations of the last century. From radio communicators in the 1930s, to personal computers in the 1970s, the Valley has been the center of technological innovation for decades.

How Lyndon Johnson created public radio

The Public Broadcasting Act of 1967, part of the president's Great Society plan, established the Corporation for Public Broadcasting, which later led to the incorporation of National Public Radio. Originally, the bill was intended solely to establish public television; before Johnson signed the act, slips of paper reading "and radio" were literally Scotch-taped next to each mention of "television."

GE’s removal marked the end of an era for the Dow

General Electric, the last surviving original Dow component, was dropped in 2018, after years of decline. Its exit symbolized the fading dominance of industrial giants and the index’s shift toward technology and healthcare.

In 2023 and the first half of 2024, Berkshire Hathaway bought back more than $12B of its own stock

In the second half of 2024, the company—and Buffett—decided to buy up shares of Domino’s Pizza, Pool, Sirius XM Holdings, and Liberty Media. They also decided to sell Capital One, Ulta Beauty, and Nu Holdings, among others. Learn why Buffett is buying and selling these stocks and what it could mean for the financial conglomerate.

Explore America’s top companies by revenue in 1994 versus 2023

America’s top companies by revenue have changed a lot in the past few decades. Sears, for instance, isn’t on the 2023 list, while Amazon isn’t in the 1994 edition.

The original 'four horsemen' of tech were Intel, Dell, Microsoft, and Cisco

These companies became known as the "four horsemen of tech" for the influence the companies had both on other businesses and investors in the late 1990s and early 2000s. The expansion of internet infrastructure throughout the 1990s and the dot-com bubble lifted these companies to incredible heights.

As technology evolved, so did Wall Street

Before the telephone was invented in the mid 1800s, people had to trade stocks in person. But once office telephones and computers became commonplace, banks and other financial institutions didn't necessarily need to have their headquarters near exchanges like Wall Street's New York Stock Exchange.

Watch a video about how cellphones conquered the world

A fight with a telecom giant. A stunt call on a New York sidewalk. A forgotten memo that rewired the world. Host Sony Kassam sits down with Marty Cooper, the father of the cellphone, and Arlene Harris, the first lady of wireless, to explore the innovation, politics, and high-stakes battles that pried connectivity out of corporate control, unlocked the airwaves, and built the always-on world we live in today, for better or for worse.

A government mandate changed the sound of Canadian radio

In 1971, Canadian radio stations were required to ensure their programming included at least 30% Canadian artists. The impact was both cultural and commercial, with Canadian artists gaining more visibility at home and Canadian studios and songwriters earning more pay.

Microphone technology made crooning possible

Before the electric microphone, vocalists needed to project to have their voices captured. The new technology, however, made softer, more intimate singing possible, leading to a new style of singing that took off in the late 1920s, with "crooners" becoming some of the first American pop stars.

Explore 'The Grand Ole Opry' radio archive

"The Grand Ole Opry" changed the course of country music, bringing the music from the mountains and hollers to a nationwide audience through its weekly show. This archive of the radio program offers hundreds of hours of Opry radio programs from several decades of the show's existence.

A 'boombox' is the cool term for a Portable Radio Cassette Recorder

The technology debuted in the mid-1960s, revolutionizing portability of recording radio and playing music. As urban culture, especially hip hop, took advantage of the innovation, the "boombox" was born. See a gallery of old boomboxes and learn their history.

Dozens of S&P 500 stocks, including Coca-Cola and Walmart—known as the dividend aristocrats—have increased dividends every year for 25 years

The story of Boeing's unraveling

Long lauded as one of the world's greatest aviation companies, Boeing has taken a nosedive in the last decade after major mass casualty crashes of its planes and high-profile scandals, which have led to numerous investigations, the temporary grounding of some of its planes, and a huge hit in its value. Listen to this first episode of a series telling the story of Boeing's fall.

Abbey Road Studios invented stereo recording (and was the site of most of the Beatles' recordings)

Built around 1830 and bought by the Gramophone Company in 1929, the St. John's Wood property became the world's first purpose-built recording studio. Its legacy spans stereo sound's invention, the Beatles' entire catalog, and blockbuster film scores from Star Wars to The Lord of the Rings.

How radio works

Antennae tune a radio to a particular frequency (determined by the listener on their radio's dial) while tuning out all the other stations being broadcast. AM, short for amplitude modulation, and FM, short for frequency modulation, decode audio signals differently, leading to differences in sound quality and the distance a station can travel.

Inside a company making millions on retro, refurbished technology

Retrospekt is one of the many companies flipping old, fan-favorite technology like Polaroids, cassette tapes, and Tamagotchis. Studies show that nostalgia can make people spend money and is one of the driving forces behind the demand for second-hand gadgets.

The history and success of the mysterious Mars Inc.

Mars, Incorporated manufactures some of the world’s favorite treats, including M&M’s, Snickers, and Milky Way bars. Despite their success, you’ve probably not heard of them. The privately held company is largely unknown to the world despite being owned by the second-richest family in the US. This podcast discusses the mysterious Mars family and their remarkable entrepreneurial feat. Listen to uncover more.

These famous brands used to have different names

Did you know that Nike used to be called Blue Ribbon Sports? Or that Google was originally named BackRub? Getting a brand's name right is a tough job; there's an entire cottage industry of brand naming agencies to prove it. See which brands got it right the first time—and which ones might be better off with their current names—in this article.

Biggest moments that defined Disney

Walt Disney’s first studio went bankrupt, but he and his brother Roy started over in 1923, eventually building an entertainment empire. From "Snow White" to "The Little Mermaid," Disney shaped animation and expanded into TV, theme parks, and major acquisitions like Pixar and Marvel.

The name 'Silicon Valley' arose from the founding of Shockley Semiconductor Laboratory in Fairchild Semiconductor in 1956-57, founded near Stanford University in Palo Alto

Sony set the standard for cylinder-shaped batteries when it repurposed manufacturing equipment used to make rolls of magnetic recording tape.

The history of many kitchen appliances involves unexpected discoveries and applications, including wartime radar turned hamster defroster and replacing an 'ice king' with heat-stealing boxes.

A century of Billboard issues documenting the evolution of popular music.

A vending machine run with Anthropic's AI went out of business after it was convinced to give away items for free and sell a video game console.

70 years ago today, city officials in Santa Cruz, California, banned rock 'n' roll to protect its youth from corruption after witnessing a 'provocative' concert the night before.

Venture capital is a form of funding provided to early-stage companies with high growth potential, typically in exchange for an equity (or ownership) stake

In its famous catalog, Sears sold $600 DIY house kits from 1908 through the 1940s, resulting in an estimated 100,000 'Sears and Roebuck homes.'

Radioactive elements can introduce software errors because the ionizing radiation they produce can detach electrons from atoms, and computer code relies on the distribution of electrons.

Walt Disney's early film 'Alice's Wonderland' was a groundbreaking innovation in the silent film era

Hear about the 250-year history of the United States Postal Service, complete with some of its strangest deliveries, important innovations, and the figures that made it an American institution.

After the Boston Tea Party, colonists switched to coffee, which became the main morning drink for revolutionaries.

Search a massive database of over 4 decades of clues from the TV quiz show 'Jeopardy!'

Legendary architect Frank Lloyd Wright designed the SC Johnson headquarters in Wisconsin, aiming to make a cathedral-like workplace

The first line of 'immortal' human cells, which can divide indefinitely and are used in scientific research, was nonconsensually taken from a Black woman.

In 1939, baseball star Lou Gehrig delivered his inspirational 'Luckiest Man' speech after retiring due to the health condition that now bears his name.

Domino's Pizza's 30-minute delivery guarantee was responsible for the chain's 1980s surge, but it was discontinued after the company was found liable for delivery driver accidents.

The first image of a black hole was captured by creating an Earth-sized virtual observatory from a network of eight radio telescopes.

The 1987 Nintendo video game 'Stadium Events' isn't known for being particularly fun, but its scarcity has made it a highly sought-after item that has sold for up to $35K at auction.

An Ebola vaccine was developed during the 2018 west African Ebola outbreak, but the 2026 Ebola outbreak is with a different species of the virus, not the one that the vaccine is approved to treat.

The most expensive ad of all time was for Chanel No. 5 perfume and cost roughly $33M to produce in 2004—about $57M in today's dollars.

Fish populations in the Great Barrier Reef have increased after installing waterproof speakers on the ocean floor that played recordings of sounds from healthy coral reefs.

American short story writer Flannery O'Connor raised 40 peacocks, which became potent symbols for her fiction's elegant violence

Iran's Revolutionary Guard Corps is independent of Iran's regular army and is one of the most powerful and influential military-political organizations in the Middle East.