Slack co-founder, part of Forbes‘ inaugural list of people shaping the future of work, shares why he moved to Aspen, an unexpected merger challenge and why product placement isn’t coming to his messaging app.

yesTewart Butterfield wants to show me something. Watching a video showing Walmart shopping in virtual reality, one that is several years old but made rounds on Twitter before this year: Slack’s co-founder and CEO hands over his phone.

“It looks so horrible,” he says, laughing as a pair of disembodied hands try to grab a bottle of wine from a virtual shelf and toss a carton of milk into a digital freezer. For Butterfield, “that misses the whole point. It is great that Amazon isn’t all aisles you have to walk through and then go through a…