Billionaires John and Laura Arnold’s Data-Driven Philanthropy ( @Bloomberg vía @luxury )

…the majority of pledged money sits unspent, as U.S. tax rules make it easy to procrastinate… John and Laura Arnold want to change that… Origen: Billionaires John and Laura Arnold’s Data-Driven Philanthropy - Bloomberg Over the past few decades, the surging wealth of the top 0.1% has spurred many promises of lavish donations. But the [...]