If you tweet something funny, there’s a small chance it could go viral. But what if you could hire a company to make that tweet into a trending topic? Enter Social Chain, self-described as the UK’s ‘largest influencer network’. How has a virtually unknown business spawned so many online trends?

Online influencers have shaped the way people interact with brands since the advent of social media, adding context to products outside of typical advertising channels. But the idea that more followers equate to more consumer sway is not always true. How exactly is influencer marketing evolving?

Lena Dunham is the latest star to grab a slice of the lifestyle sector with the launch of her e-newsletter, ‘Lenny’. Aimed at young feminists, it’ll cover everything from politics to style, without shying away from the nitty gritty. But will such a retro medium resonate with Dunham’s young fans?

One in three teens claim they could make money by creating YouTube videos. The success of social media stars like Bethany Mota shows that celebrity endorsements aren't influential as they used to be. Today's teens want inspiration from cool kids who could easily be their mates.