Last week, the U.S. Supreme Court agreed to take up South Dakota’s lawsuit against Wayfair Inc., Overstock.com Inc. and Newegg Inc. If the court overturns current law, state and local governments could collect online sales tax from all online retailers, even if they don’t have a physical presence in their states. Internet Retailer asked retailers and consumers how they think a ruling—expected by the end of June after arguments this spring—will impact them. Here are the results.