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.
Warren Buffett, the third richest man in the world, has vowed to give away 99 percent of his fortune. This year, Buffett has given away $2.86billion to charity, most of which went to the Bill and Melinda Gates foundation (Warren, left, with Melinda and Bill) The donations were made on Wednesday, and brought Buffett's total contributions to the charities to more than $24.3 billion since 2006.