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iframes have had a wild ride in acceptance

1999 - Cool and Clever

2005 - Horrible

2010 - Horrible but sometimes necessary

2015 - Awesome

> 2015 - Awesome

Huh, what happened?

Limitations imposed upon embedded scripts from foreign domains by technologies like CORS and the like, combined with modern styling abilities.

You can place another service's elements on a page that look like they're actually part of the page layout while the JS running them can freely communicate with the service's backend without having to bother with cross domain problems.

Think of all the support/chat widgets you see on modern-day pages, they're all iframes.

And obviously: tracking all the things!

We started injecting everyone else's JS everywhere.

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