Amazon's One-Day Shipping And What It Means For FBA Sellers

Last week, Amazon announced plans to upgrade its free-shipping option from two-day to one-day shipping for Prime Members.  Over a decade ago, Amazon launched its Prime membership which helped attract millions of loyal customers and help build the brand it is today. Now with Amazons new plan to invest about $800 million in Q2 2019 to speed up the shipping process to one-day what could that mean for current sellers?