1. A tangible machine-readable medium having stored thereon a set of instructions, which when executed on a computing device, cause the computing device to perform a method comprising: receiving, over a network, information regarding word phrases; determining, via a physical computing device, longevity values associated with content built around the word phrases; selecting, based on the longevity values, a first phrase from the word phrases; building first content around the first phrase; and presenting the first content over a network.