 It wouldn't say whether it plans to actually implement the multi-sensor system.In 2015, the Walmart CEO acknowledged a need for Walmart to refocus on cleanliness and tidiness, restocking shelves quickly, integration with digital, sideline businesses such as gas stations and care clinics, better selection such as in fresh produce, and correcting the situation in which Walmart prices weren't always as low as those of competitors.In a January 2012 article in the "Harvard Business Review", Prof. Zeynep Ton stated, "Moreover, the financial benefits of cutting employees are direct, immediate, and easy to measure, whereas the less-desirable effects are indirect, long term, and difficult to measure."