Everyone loves a film with a good twist — and the Vine community isn't any different. But the good thing about plot twists on the video-sharing service is that it only takes six seconds to get to the good stuff.Mashable is collaborating with Unpopular Now for this week's Vine challenge.

At 12:43 today, I watched the tweet stream about the Ottawa shooting with horror. The story unfolding in 140-character bites, complete with pictures and up to the minute snapshots on the scene. Photos of victims, police and journalists are flooding the #Ottawashooting hashtag.

When I studied literature, I was fascinated by form. By the words. Arrangement. Layout. And narrative. I loved the way that John Fowles would create untrustworthy narrators that led the story in new, unexpected directions. And I loved Antonin Artaud’s dangerous writings.

The best and worst part of social media is that there's never a shortage of things to do.

In our fast-moving marketing and digital spaces, social media and online PR continue to gain more significance as the processes of budgeting, reporting and investing in media evolve to reach multi-channel audiences.As a result, it is becoming more important than ever for brands and businesses to

Do you want to analyze your past interactions on LinkedIn? Do you want information that could help you understand your LinkedIn behavior? The LinkedIn Data Export tool offers deeper insight into your LinkedIn activity.

So you are finally listening to the advice of your marketing guru, agency, etc. and are sending out an email newsletter on a regular schedule (monthly, quarterly, etc.). Now for the big question…are you compliant?

Twitter chats can be a great way to utilize social media and build a relationship between a business and its audience.

As news broke that South African Paralympian Oscar Pistorius on Tuesday had been sentenced to five years in prison for killing his girlfriend Reeva Steenkamp, social networks exploded with commentary and reactionsSee also: Oscar Pistorius Sentenced to 5 Years in Prison for Killing GirlfriendPisto

As news broke that South African Paralympian Oscar Pistorius on Tuesday had been sentenced to five years in prison for killing his girlfriend Reeva Steenkamp, social networks exploded with commentary and reactionsSee also: Oscar Pistorius Sentenced to 5 Years in Prison for Killing GirlfriendPisto