It is a back to back news on web browsers.
First, Mozilla and Samsung are working together on new Servo web browser engine for Android and ARM. Servo itself is written in Rust, a programming language developed by Mozilla.
Should Samsung ever want to fork Android, they would have their own web browser.
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Second, Google announces Blink, a new open source rendering engine based on WebKit.
In a sense that Google is in a disagreement on what direction Webkit should go.
Bring on all the different web browsers, as long as they adhere to one HTML standard.