Churches everywhere are scrambling to get linked with Facebook, Twitter, and YouTube. But are they ready for the Digital Reformation: the dramatic global shift in the nature of faith, social consciousness, and relationship that these digital social media have ushered in?

Tweet If You Heart Jesus brings the wisdom of ancient and medieval Christianity into conversation with contemporary theories of cultural change and the realities of social media, all to help churches navigate a landscape where faith, leadership, and community have taken on new meanings.

To the dismay of religious leaders, study after study has shown a steady decline in affiliation and identification with traditional religions in America. By 2014, more than twenty percent of adults identified as unaffiliated--up more than seven percent just since 2007. Even more startling, more than thirty percent of those under the age of thirty now identify as "Nones"--answering "none" when queried about their religious affiliation. Is America losing its religion? Or, as more and more Americans choose different spiritual paths, are they changing what it means to be religious in the United...