> Excel is a phenomenal accomplishment Couldn't agree more. It's also a huge, latent liability. In my experience, mostly because it's an opaque data store. To

> Excel is a phenomenal accomplishment Couldn't agree more. It's also a huge, latent liability. In my experience, mostly because it's an opaque data store. To use the parent's example. Turn's out the $100mm business is actually only worth $80mm because someone had accidentally coded GBPUSD directly into the spreadsheet. Before Brexit was announced. Say goodbye to senior trader. This sort of thing happens though not as much as it used to as we don't allow Excel in the path that hits the ledger.