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At the turn of the century, the most popular Christmas gifts among Americaโ€™s young teens were Pokemon playing cards and merchandise. Now, 20 years later, the hottest gift for Christmas is Appleโ€™s AirPods. The pro version of the small wireless headphones cost $249 (before taxes).

Shortly after the kids opened their gifts on Christmas 1999, I was writing about a new technology I thought would be significant in the coming years: Bluetooth. Through inference reading and analysis, I had determined that Bluetooth could be a major innovation in technology. As it turns out, it is the very technology that allows Appleโ€™s AirPods and billions of other devices to communicate.

I wrote back then:

Pulling out a Bluetoothโ€”what a way to start the millennium. A group of five superpower companies (Intel, IBM, Nokia, Ericsson, and Toshiba) have formed a consortium to pull a Bluetooth surprise. It looks to me as if Bluetooth will fast become as brand recognized as, say, Intelโ€™s Pentium chip.

So what is Bluetooth, and why do you care? Bluetooth is a radio wave-based language. The technology will allow several wireless devices to communicate with each other wirelessly (a voice-activated phone with a Palm Pilot with a laptop). By summer, I look for many Bluetooth-enabled devices to hit the market. How big is the market? It may be a slow startโ€”maybe one-half million devices sold in 2000โ€”but the explosion will come.

And explode it did. In 2018 alone nearly 4 billion devices sold with Bluetooth. Projections for 2019 are 4.2 billion, rising to 5.2 billion devices by 2022.

The same inference reading skills I applied to examing Bluetooth technology 20 years ago are what I use in support of my family-run investment counsel firm, Richard C. Young & Co., Ltd. today. Each year, just as we did in 1999, Debbie and I cover many thousands of miles in pursuit of information we can use to measure the pulse of markets.

That research and the efforts of a full investing staff are explained each month in the client letter from Richard C. Young & Co., Ltd. ย If you want to understand our investment efforts and strategies better, please sign up for the letter by clicking here. Itโ€™s free, even for non-clients. You can also see back issues by clicking here.

Originally posted on Young’s World Money Forecast.