To deter theft, Best Buy has replaced some products on shelves with QR codes.
A Best Buy store at the Southland Center shopping mall in Taylor, Mich.
Shoppers are finding more empty space on store shelves, but not because the retailer is out of stock.
In many cases, the items are locked away to prevent theft.
At a Best Buy store in the suburbs of Houston, hundreds of items including Bose speakers and Fitbit activity trackers have been replaced by small blue signs that read, “This product kept in secured location,” and ask shoppers to find store workers for help.