<A target="_blank" href="http://www.pcmag.com/article2/0,2817,2392786,00.asp?kc=PCRSS03069TX1K0001121&utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+ziffdavis%2Fpcmag%2Fbreakingnews+%28PCMag.com+Breaking+News%29">Mouse Without Borders is a Microsoft Garage program</A> that lets your mouse navigate from one PC to another. Up to four PCs can be connected, letting you drag & drop files between devices. This page includes a short video showing how it works.