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A historic home tour of the virtual world.

From American Public Media, this is Marketplace Tech.

I'm Megan McCarty Carino.

Sometimes things are not as they appear.

I understand this is actually a data center.

Yes, you wouldn't believe it walking by,

and it has a very interesting story, how we shape the Internet today.

We're in downtown Palo Alto, California,

for our series on AI infrastructure.

Eddie Espinoza is the customer operations manager of the data center that is hiding inside this ornate old building.

Let's go inside, take a look.

It's owned by a company called Equinix, which is one of those companies that you might not personally

have heard of, but without knowing it, you're connected to all the time. Equinix specializes

in something called co-location, which is kind of like apartment buildings for computing

power, where customers can lease space for their data traffic.

Equinix has data centers all over the country, and they're building more in hopes of

capitalizing on the AI boom.

But this one is special.

It is a historical building in the historical society of Palo Alto.

...