With social media opening up million of little windows into the lives of others, reality TV expanding into new frontiers like space travel, and people growing savvier about what's real and what's not – what does the future of reality culture hold?

Second screens are a growing part of the TV experience. But as televisions, remotes and consoles get 'smarter', how will new user behaviours affect the balance between screens?

In America, there are thousands of people – like Girls character Marnie – honing a desire for musical stardom off the back of shows like The Voice and American Idol. Enter StarMaker: the community-based karaoke app turned talent scouting tool.

Crowned 'word of the year' by Oxford Dictionaries in 2013, the selfie has come a long way from its humble beginnings as a niche social media tag. But are selfies just a bit of harmless narcissistic fun, or is there a darker side?