A really nice and slick interface of new operation system Windows 8 has been introduced by Microsoft. And today a lot of designers are starting their project, inspired by this intuitive, minimalistic Metro GUI.
Jinson Abraham, a self taught wordpress theme designer, makes an example of twitter widget, styled like some elements of modern OS. It has a very simple, as expected, clean and elegant design. One can use this design while developing a custom twitter widget for wordpress or in a way like that. It is 300 px wide which is ideal to go on the sidebar.