Since the cost of maintaining a virtual currency is extremely small, there is no practical limit. Of course, some small number will dominate. For a parallel situation, look at home many Linux distros there are: http://en.wikipedia.org/wiki/Lis... That can occur because one person, with enough free time, can package there own distro. But a handful of all distros represent the majority of all Linux installations.
According to the figures in the infographic Bill Gates has given $28 Billion to various charities since 2007, which apparently accounts for almost 48% of his net-worth. One of his biggest charitable efforts has been towards the eradication of malaria and an end to polio.
Susan Walsh/AP Photo Bill Gates and is wife are committing a record $50 million to fight the Ebola outbreak. The Bill & Melinda Gates Foundation, the charity run by Microsoft cofounder Bill Gates and his wife, announced Wednesday that it would be donating $50 million toward fighting the Ebola outbreak in West Africa. This marks the largest donation to a humanitarian cause from the foundation, according to the Associated Press. The group had previously donated $10 million toward fighting the outbreak in West Africa. By fighting Ebola now, we can make sure it doesn't become an epidemic in [West] Africa, Gates tweeted on Wednesday.