GitHub ripped off Octobox for their new notifications UI
twitter.com
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Many have pointed out that the product GitHub have apparently copied takes inspiration from Gmail, but it also uses iconography from GitHub itself as well.
While I think it would be nice for those who have inspired designs/features/etc to be thanked, doing so publicly or as part of the product is likely going to detract from the user experience for most users who won’t know about the original. A quick thanks by email from team to team may be a better approach, but we don’t appear to have a culture of doing that.
And that’s only if designs were inspired. I’m this case I think it’s entirely possible that these were developed in isolation.
So it's OK for your design to emulate gmail, but it's wrong for anyone else to emulate you. Got it. Inspiration can only travel one way.
When looking to add a feature that is the same feature everyone else is using elsewhere, developers do try to keep things uncomplicated by sticking to the expected norms. That's why McDonald's and Wendy's both have fries that follow a certain expected form. It's not one copying the other - it's them providing what the customer expects from a french fry.
Gmail's solution clearly works and is popular right now. That's why Octobox, Github, and everyone else is using that format.
EDIT: Since we're talking about copying things, let's start here: https://www.google.com/search?q=infinity+logos&7&source=lnms... You get really familiar results by searching "infinity snakes," too.
Copying should be taken as a form of flattery and a push to keep innovating. There's no need for "acknowledgment."
Edit: Kai-Fu Lee talked about this in his book "AI Superpowers" and mentioned how copying stigmas differ in China vs U.S. and what the impact is long-term. Great read.
Flat design with left-side tabs is not a UI innovation.
edit: typo