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Forbes magazine released its annual list of the world's richest people Wednesday, and for only the second time since 1995, Microsoft founder Bill Gates' name was not at the top.
This year, the title of "World's Richest" went to Mexican telecom mogul Carlos Slim, with a net worth of $53.5 billion.
But Slim's financial edge over Gates is, well, slim, at least by billionaire standards - just $500 million. A $1 increase in Microsoft shares, the compilers of the Forbes list noted at a press conference Wednesday, could send Gates' net worth ahead of Slim's.
Also, were it not for his extensive philanthropy, Gates would have a net worth in the ballpark of $80 billion, Forbes' Matthew Miller estimated.
Gates is the world's second richest person, with a net worth of $53 billion.
Since 2007, Bill Gates has donated an estimated $28 billion to charity and has set up the Bill and Melinda Gates Foundation to fight world poverty and tackle global health issues.
Billionaires' total net worth around the world rose 50 percent to $3.6 trillion.
Not only are there more billionaires than last year, but the ones at the top are even richer than last year. The top 10 billionaires have a combined net worth of $342 billion, up from $254 billion in 2009, Forbes said.
We want to know what you think.
As billionaires around the world get richer, should more follow in the footsteps of Bill Gates and donate large sums of money to charitable organizations? How much of their personal wealth should they give away?
And please let us know from where you are writing.