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Emma Walsh here, managing editor of the Diary. Regular Diary readers understand that tech isn't our typical beat. And when it concerns tech investing, we leave it to the specialists. Luckily, we have a number of such experts in our Rolodex. Our colleague Jeff Brown will be familiar to our longtime readers.
In fact, he had a number of triple-digit returns in his Brownstone Research portfolios in 2015. Here's what Jeff thinks the tech sector will bring us in 2021 Each year, I like to take an appearance at the huge picture and predict what's just around the corner. Longtime readers of my work understand that I follow the most exciting tech trends on the edge of mass adoption.
These patterns are experiencing rapid development and creating extraordinary chances for investors. I wish to ensure all our readers are gotten ready for what's next. And with that in mind, let me draw the picture of what I see being available in the next 12 months 1. 5G Devices Our new 5G (fifth-generation) wireless networks are a topic I have actually been covering for years now.
Even though the COVID-19 pandemic interfered with supply chains in 2015, an outstanding 250 million 5G-enabled gadgets were still sold. Especially in the 2nd quarter, there were supply chain interruptions, making hold-ups, and work stoppages. And all of this ultimately led to Apple delaying the release of the 5G-enabled i, Phone 12 by two months.
When you think about all of that, selling 250 million systems is remarkable. More importantly, the delays caused by the pandemic produced a heap of pent-up demand. And that demand is now going to be pressed into 2021. In reality, I anticipate that more than 500 million 5G gadgets will be shipped in 2021.
Phase Three of 5G When I've spoken about 5G in the past, I've described its 3 various stages. In Stage One, the infrastructure of these brand-new networks is constructed out, consisting of all the brand-new towers and fiber-optic circuitry that 5G will require. In Phase Two, 5G devices go on sale.
And in Phase Three, 5G services begin to be used. That's when we start to see applications running on 5G networks. Believe of things like enormous multiplayer video games over a smart phone. That's not possible with 4G. It will be with 5G. And my 2nd 5G prediction for 2021 is that we will begin Stage Three by this summer season.
More and more consumers will go out to purchase a 5G phone to gain access to these applications. 5G is going to open up a suite of incredible applications: self-driving cars and trucks, the Internet of Things, robotic surgery, and more.
The financial investment opportunities going forward will be massive. CRISPR Genetic Modifying Stepping away from 5G, the next important innovation I foresee in 2021 is CRISPR genetic editing. It's one of the most exciting advancements in biotechnology.