Shake Shack says tech glitch explains viral no-tip video
Shake Shack says a technology error at a licensed airport location caused the pricing issue in a viral video.
Reports & sources
Newsweek
Shake Shack Faces Questions Over Machine Tip Error in Online Video (opens Newsweek)Newsweek's feed description
KTLA Los Angeles
Shake Shack says tech glitch explains viral no-tip video (opens KTLA Los Angeles)KTLA Los Angeles's feed description