Shopping is fun, but making a decision on one set of skis among thousands of possibilities is not. That’s where Remark comes in. The two-year-old startup is helping shoppers buy with more confidence, said Theo Satloff, co-founder and CEO of Remark. It does this by pairing shoppers with high-quality product experts via an asynchronous live chat with one of 50,000 human experts — artists, musicians, stylists, golfers, ski instructors — who can discuss items just like a retail staffer would do....