Every so often there'll be a story about how there's a thing that "doubles" your risk of some type of cancer. Which turns out to mean your chance goes from 0.00

Every so often there'll be a story about how there's a thing that "doubles" your risk of some type of cancer. Which turns out to mean your chance goes from 0.0000001% to 0.0000002%. In much the same way, moving to SF may "double" your chance of winning the startup lottery. And buying two actual lottery tickets gives you twice as many chances of winning the jackpot.