When I first started using Linux four years ago, one of the most useful features I discovered was circular scrolling on touchpads. (For those that don't know, this allows you to scroll up and down by moving your finger in a circle.) Traditional scrolling now feels very clumsy, and I find it awkward when using a laptop which doesn't have this feature (such as those running Windows). According to the changelog for the XOrg/XFree86 Synaptics driver, this feature was added in February 2004.
I happened to come across the news today that Synaptics have added a feature called ChiralTouch Technology to the latest version of their Windows drivers. This so-called "technology" provides "the ability to scroll continuously with a circular motion." This basically means that they have finally gotten round to implementing a very useful feature which Linux users have had for over four years.
In some respects proprietary software is way behind FOSS in terms of features and usability, and this example also shows how proprietary software uses ideas which were first implemented in FOSS.
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