It's a standard UI design for comparing images on the web and is often used in o... | Hacker News

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angrais on Aug 5, 2020 | parent | context | favorite | on: Satellite images of the Beirut explosion site – be...

It's a standard UI design for comparing images on the web and is often used in online news websites when comparing "then" and "now" similar to the article

rubyfan on Aug 5, 2020 [–]

it’s also commonly used in the insurance industry for before and after image compare for large scale catastrophe management.

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