Almost one in 10 youngsters would immediately take to social media to tell their friends and followers if they saw a stranger in a risky situation, a poll suggests.
Nine percent of 18 to 24-year-olds would write a post on Facebook or Twitter or share a photo, the poll by Anthony Nolan found.
The poll comes after an epileptic woman spoke out about two strangers who refused to help her during a fit but were instead laughing and filming her on their mobile phones.
Germany's victory over Argentina in the World Cup final last night set a new record for the most tweets per minute.
There were 618,725 tweets in the 60 seconds after the final whistle was blown at the Maracana beating the previous high for a sporting event, which was Brazil's humiliating 7-1 defeat to Germany.
However, the champions' semi-final win over the host nation kept hold of the most tweets sent during a sporting event record with 35.6 million compared to last night's 32.1 million.
The most mentioned players on Twitter were Germany's Mario Gotze, who scored the winning goal, and Argentina's talisman and captain Lionel Messi.
Award-winning author of Cloud Atlas choose to tell his latest effort, The Right Sort, via the "straitjacket" of Twitter.Read the full story ›
Public sector workers are striking today over a row on pay, conditions, pensions and spending cuts.
Here are some of the reactions from Twitter users on the industrial action.
I'm with the strikers. No pay rise for years while ministers give themselves 11% + expenses? Unacceptable #strikeaction
As a parent I would be happy if my children couldn't go to school, they are teaching kids to stand up for what's important #strikeaction
Brazil's humiliating loss to Germany in last night's World Cup semi-final was the most talked about individual sports game ever on Twitter.
Mystery surrounds a new Twitter account claiming to be the anonymous street artist Banksy.Read the full story ›
Twitter users have hijacked #AskThicke to torment singer Robin Thicke over his "sexist" lyrics and comments.Read the full story ›
The co-founder of Twitter told ITV News he believes social media sites are "just getting started".Read the full story ›
Twitter is the only technology which allows large groups of people to "behave as one for a moment," according to one of the co-founders of the micro-blogging site.
Biz Stone told Good Morning Britain about the first time he realised Twitter had become a phenomenon - a man tweeted a recommendation for another bar after he had become fed up with the noise in the pub he was sitting in.
"He sent out a tweet recommending another pub and he sent that to his followers. They thought it was a good idea and so they sent it and so forth. In the eight minutes it took him to walk to that pub it had completely filled to capacity and there was a line around the block!"
TweetDeck is back up and running after a coding bug forced users to retweet certain tweets earlier today.
They tweeted this statement:
We've verified our security fix and have turned TweetDeck services back on for all users. Sorry for any inconvenience.