Amazon's latest grocery expansion pushed supermarkets toward Instacart, its incoming CEO said
1. Amazon expanded same-day grocery delivery to 1,000 cities, boosting competition. 2. Instacart saw increased interest from supermarkets following Amazon's expansion. 3. Instacart's performance remained strong despite Amazon's aggressive delivery efforts. 4. Retailers are enhancing delivery speeds amid fierce competition from Amazon and Instacart.