If stopping by Starbucks on your way to work is part of your routine, you've probably noticed some changes lately. First, you might be getting that hot or icy cup in your hands faster. One of new CEO Brian Niccol's first promises was to shave minutes off the time from ordering to having that hot coffee in your hands.

A new approach to labor and algorithm for sequencing orders has helped restore calm in cafes, CEO Brian Niccol said.

Shares of coffee store chain Starbucks (SBUX) are falling Wednesday morning after the company published a fiscal second quarter earnings and revenue miss on Tuesday — adjusted EPS of $0.41 (vs. estimates of $0.