A YOUTUBE convention where kids were promised they would “hang out” Organisers said Hello World Live would be “like nothing on Earth”..Zoella has responded to backlash over her Hello World appearances – or lack thereof. This weekend, Hello World brought together a number of high-profile British YouTubers, including Alfie Deyes, Joe Sugg, Louise Pentland and Zoe for an “immersive experience” at Birmingham ‘s .An exciting new YouTube event like no other has come to town – Here ‘s all the who, what, when, where and why you need about HelloWorld .The organisers of an arena show featuring Britain ‘s biggest YouTube stars have apologised after angry parents complained that the show was .