This is impressive in general, but particularly so in light of where they came from: <a href="http:&#x2F;&#x2F;www.zdnet.com&#x2F;article&#x2F;microsofts-900-million-surface-rt-write-down-how-did-this-happen&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.zdnet.com&#x2F;article&#x2F;microsofts-900-million-surface-...</a>