John Fea is an American history professor at Messiah College in Grantham, Pennsylvania. Fea writes often about the role of religious leaders in the Trump administration and is the author of Believe Me: The Evangelical Road to Donald Trump.

Read a June 30, 2007, New York Times story about the intersection of social networking sites and religion.

Read a March 4, 2009, Personal Tech column from The New York Times on dealing with the anxiety created by the deluge of emails.

An October 2009 Religion News Service story, posted at Crosswalk.com, discusses the issuing of a “digital fast,” and it includes links to columns by Christian leaders discussing the pros and cons of social networking.

Observing a “fast” from Facebook and Twitter and even email is becoming a popular spiritual practice — at Lent, for example — as shown by this National Public Radio story from March 2009.

Observing a “fast” from Facebook and Twitter and even email is becoming a popular spiritual practice — at Lent, for example — as shown by this Star-Ledger story from March 2009.

Shamash, a project of Hebrew College Online, maintains a kosher database and information on Jewish books, the Holocaust and the Tanakh, or Hebrew Bible. It includes links to all things Jewish on the Internet.

ReligiousTolerance.org has an extensive section on Jews and Judaism, including descriptions of recent controversies, including Christian Zionism, missionary efforts aimed at Jews and recent acts of anti-Semitism.

Judaism 101 is a general clearinghouse of information about Judaism run by Tracey Rich, a Jewish layperson. It contains descriptions of the Jewish calendar, the Hebrew alphabet, holidays, life-cycle events, rituals, observances and much more.