It was a tale of two document reviews: Sidley Austin partner Robert Keeling said that in a Foreign Corrupt Practices Act case he once handled, a traditional “linear” review wasn’t yielding results. When he applied predictive coding, though, a pattern emerged: the suspects were using a special word when they talked about bribes.

A reference to “chocolate” meant cash, Keeling recalled during a panel event on Thursday about the future of electronic discovery.