Remember the days (i.e. 2014) when record labels signing Vine stars was news? Then the days (i.e. still 2014) when those Vine stars topping the iTunes charts was news? In 2015, the news is about them topping the real album charts. Billboard claims that Viner Shawn Mendes is likely to do more than 100,000 equivalent album units this week to take top spot in its albums chart with his debut LP ‘Handwritten’.