65,535 - that is the limit of unique TCP/IP ports that's currently allowed on most systems (since port number is a 16-bit integer value) If multiple currencies overlap in port numbers, or if future coins use some other mechanism to connect to their peer networks you could always have more, .
In 2007, its founders were ranked as the second most generous philanthropists in America, and Warren Buffett the first. As of May 16, 2013, Bill Gates had donated US$28 billion to the foundation.
Getty Images. Bill Gates has a net worth of nearly $82 billion, of which just $14 billion is in Microsoft stock. The bulk of the remainder â $64 billion â is invested in a variety of assets through Cascade Investment LLC, his private investment firm, according to people familiar with the matter.