Coffee giant Starbucks will soon require its corporate workers to commute into the office four days a week, up from the ...

Beginning June 24, the coffee chain is eliminating the 25-star bonus for customers that bring in a personal, reusable cup for drink orders.

A shakeup to the Starbucks rewards program for customers using their own cups is the latest change under CEO Brian Niccol.

In February, Starbucks reinstated the policy calling for baristas to scribble personal messages on to-go cups for customers, which drew mixed reactions from employees.