There was a time years ago when Microsoft thought that set-top TV boxes were the Next Big Thing - that they were falling behind in. Microsoft made huge investments in associated media that they thought would result in demand for Microsoft TV boxes ...
1. 221 million dollar investment with NBC to form MSNBC.
2. 425 million dollar investment in WebTV.
3. 30 million dollar investment in RealNetworks.
4. 1 billion dollar investment in Comcast, the cable TV operator.
5. 5 billion dollar investment in AT&T
6. Another 5 billion dollar invested in miscelaneous TV and Telco businesses.
Source: http://www.businessinsider.com/microsoft-investments-2012-5