Not to be confused with the cross of ashes for Lent, Tumblr users around the world are celebrating their community spirit offline by wearing out the signature lower-case "t" with pride.

Take a look back at the highlights of the 2014 Sochi Olympics as told through a series of viral photos and hashtags.

Ten years ago today, Mark Zuckerberg launched a social networking site called "The Facebook" from his Harvard dorm, little knowing that it will grow into one of the most successful brands of the decade. To celebrate its 10th birthday, the company has released a personalized slideshow for us to revisit our own milestones since we've been on "The Book."

While most of his fellow actors took to social media to express their shock and sadness over Hoffman's death, some were more concerned with spreading a hoax that the 46-year-old actor's demise had been foreshadowed by a death hoax in the days leading up to his passing on Sunday.

The majestic cat Colonel Meow, known for his exceptionally fluffy fur and powerful gaze, passed away this week according to a Facebook post by his owner Ann Avery.