Visa, Reddit, Twitter, Tiktok and JP Morgan are now all Using Ethereum

Visa:

Visa has already deployed its first Smart Contracts on the Ethereum testnet, owns CryptoPunk NFTs and plans to build a layer 2 network ontop of Ethereum for stablecoins and central bank currencies

Reddit (official partner of the Ethereum Foundation):

Is using experiemental community points (Bricks and Moons) to reward the community with crypto tokens on the Ethereum blockchain (this idea of rewarding people on social networks was already predicted by Vitalik Buterin years ago)

Twitter:

Plans to offer profile picture NFTs hosted on Ethereums blockchain for its whole 300 million active user base

Tiktok:

Now beginning to explore Ethereum, beginning with NFT collections

JP Morgan:

Is exploring Ethereum for a longer time, has already launched internally a "digital U.S. dollar" on Ethereum