http://www.independent.co.uk/news/uk/this-britain/from-the-mouths-of-teens-422688.html
This link takes you to an article, talking about influences on language from places like Jamaica, London and the Caribbean.

http://www.thesundaytimes.co.uk/sto/news/uk%20news/article209405.ece
This link takes you to an article, talking about how slang has been taken from different cultures and has been applied to every day language, especially in teenagers, all over the country.

Both or these two articles explain how slang these days has originated from different cultures and countries/cities, from all over the world. Yet as they become more popular, and widespread due to social media and conversations through different groups of people, they become more widely used and accepted as a slang that can be applied to every day conversations.In both of these articles you can see how this slang is more common in teenagers, this may be due to how connected they are, with both the internet, and friends from not only their areas, but from all over the world.