A YOUTUBE convention where kids were promised they would “hang out” Organisers said Hello World Live would be “like nothing on Earth”..Hello World Live was billed as “an epic, four hour, immersive live show like Zoella, whose YouTube channel has more than 11 million .Zoella has responded to backlash over her Hello World to slam ‘Hello World Live ‘, the ‘immersive live event ‘ fronted by YouTube superstars .Home of the incredible HelloWorld, bringing the world ‘s biggest vloggers and you together for a unique experience. Sign up for news and information about HelloWorld. Instagram Twitter YouTube. 1/2 .