Microsoft

The Mexican billionaire Carlos Slim Helú has taken the top spot in the Forbes annual ranking of the richest billionaires in the world, pushing aside the two perennial leaders, Bill Gates and Warren E. Buffett, even though all three men added greatly to their wealth over the last year.

The Mexican billionaire Carlos Slim Helú has taken the top spot in the Forbes annual ranking of the richest billionaires in the world, pushing aside the two perennial leaders, Bill Gates and Warren E. Buffett, even though all three men added greatly to their wealth over the last year.

The Mexican billionaire Carlos Slim Helú has taken the top spot in the Forbes annual ranking of the richest billionaires in the world, pushing aside the two perennial leaders, Bill Gates and Warren E. Buffett, even though all three men added greatly to their wealth over the last year.

The Mexican billionaire Carlos Slim Helú has taken the top spot in the Forbes annual ranking of the richest billionaires in the world, pushing aside the two perennial leaders, Bill Gates and Warren E. Buffett, even though all three men added greatly to their wealth over the last year.