Dahlia Sanford's review of Cargo Chief
Last Tuesday, when a last-minute load into Boston popped up and my usual carriers were tied up, the predictive market pricing tool spit out a target rate that matched what carriers were actually willing to take - booked within 20 minutes and kept a truck moving. The estimate being within a few cents per mile cut the usual back-and-forth and shaved hours off booking, though it can drift on really thin lanes.
