If Twitter fails to fix its “noise” problem, it doesn’t face a prosperous future — that’s according to entrepreneur and early Twitter investor Gary Vaynerchuk.

Speaking at the Guardian Changing Media Summit in London today, the “storytelling entrepreneur, video blogger, self-trained social media expert and best-selling author” talked at length about how social media has changed brand-building in the digital age. Vaynerchuk touched on a number of related topics, but it was perhaps the vehemence of his Twitter views that stood out....

Via Jeff Domansky