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You never know. This is the first thing that was ever done in the industry. So if it's going to succeed, it's going to be the first most incredible invention ever using blockchain tech.

Ned Scott and Dan Larimer said that it would scale up to sites like Reddit and it's been tested on a test network with thousands of nodes. There's a good interview with Dan and Ned on blocktalk where they discuss scaling and much more found here:

The resources needed to run steem node become higher and higher every day. So only big player will be able to run the infrastructure in the future.

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