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.
The Bill and Melinda Gates Foundation has donated billions of dollars to causes all over the world, making significant differences in the lives of children and adults. This level of giving back illustrates Gatesâ character and focus on social responsibility as a global corporate citizen.