After more than a decade of wireless internet coverage, connectivity chips, and cloud computing growth, connectivity is becoming ubiquitous. There are tens of billions of devices hooked up and sharing data via a network, and billions more will be put in service in the next decade -- a movement often referred to with the catch-all phrase the "Internet of Things," or IoT.  

Investing in the IoT is easier said than done, though. Hardware can get easily commoditized and profit margins eroded, so picking businesses with a technological advantage or building sticky services based on IoT devices is key. Three that Fool.com contributors think have plenty of growth ahead are Alphabet (NASDAQ:GOOGL)(NASDAQ:GOOG), Limelight Networks (NASDAQ:LLNW), and Texas Instruments (NASDAQ:TXN).

Nicholas Rossolillo (Alphabet): When it comes to a future of connected devices, I like Google's approach. Sure, nearly 80% of revenue came from online advertising during the second quarter of 2020, but this is a highly profitable business model (historically around 30% operating profit margin) that is being used to reinvest into innovative new businesses.  

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