Last I checked the highest value for patents was around $800,000/patent. This puts it at $1.25 million/patent. The crazier this becomes and big companies invest more billions into worthless patents, the harder these companies will fight against patent reform or abolishing software patents in the future, simply because they will not want their investment to be wasted.
So what can we expect from Microsoft to do with these web based patents, now? Start going after big and popular websites to pay them a "license" because they infringe on some undisclosed (of course) patents they own? The web patent war seems to be upon us.