PITTSFIELD -- On Ash Wednesday, tweets and Facebook posts from the faithful took on a more religious tone.

As Christians all over the globe marked the beginning of Lent -- the 40-day period of reflection and sacrifice that leads up to Easter Sunday on March 31, Ash Wednesday became a trending topic on social media. People from all walks of life -- from clergy to celebrities and from the faithful to the atheist -- shared and retweeted their thoughts on Ash Wednesday, the official start of Lent.

Symbolically retracing Christ's ordeal of 40 days fasting in the desert while avoiding temptations from Satan, Lent requires Roman Catholics to make a personal sacrifice -- something that varies in seriousness from individual to individual. For some, it's giving up chocolate. For others, it's praying more.

It's a personal decision that in recent years has become quite public thanks to social media. For many this year, it's giving up social media -- like Twitter or Facebook.

Since 2009, the website OpenBible.info has aggregated tweets about what people plan to give up during Lent. Of the top 100 Lenten sacrifices between 2009 and 2012, refraining from social media has topped OpenBible.info's list.

One Pittsburgh priest, the Rev. William Curtis, has even asked his congregation to give up sites like Facebook and Twitter for Lent.

So far this year, "being pope" is at