Linear Co-Founder @artman told us that a staggering 44% of top-tier VC-backed Series A, B, and C startups in the US are @linear users: "We look at Series A, B, C companies in the US that have got an investment from larger companies, from the sort of top-tier VCs... and today, that figure is at 44%. So, 44% of Series A, B, C companies in the US are Linear users." "That's up by probably 15% in a year. So, becoming sort of the default and the standard in that space." "That number is even higher…