https://techcrunch.com/2023/04/03/twitters-new-dog-icon-is-sending-dogecoin-sigh-to-the-moon/

Today Twitter users are noticing that an image of a dog has been added to a place of prominence. You can see it for yourself on Twitter.com, where you will be greeted with a pup:

The particular dog image — a shiba inu — corresponds with the logo of the dogecoin blockchain and cryptocurrency.