![](https://blogs.sas.com/content/sascom/files/2016/04/42-26102259-600x600.jpg)
When something comes between you and your customers – like not having product in-stock or providing offers that aren't relevant to the customer – it causes delays and makes it harder to complete transactions in a satisfying way. But, an inexpensive sensor, beacon or Radio Frequency Identification (RFID) tag placed