[rolha-capoeira]

And honestly, that's a ridiculous claim. Two very popular websites I can think of right away are Pinterest and VSCO. (Perhaps VSCO on the web isn't as popular as the mobile app, but the company continues to use masonry as the design evolves.)

[grub5000]

Lots of sites that return a ton of images, like an of the image search sites (Google, Bing, DuckDuckGO, loads of porn sites etc.)