The NaviLens system has been spreading across Barcelona’s transit system during the last few months with pixelated stickers. Each is a 5×5 stack of brightly colored squares on a black card.
Stickers
Rice Krispies Treats ‘Love Notes’ Now Include Braille Stickers And Recordable Audio Boxes
Rice Krispies Treats have been enjoyed by young children over the years. But, as Kellogg’s recently realized, the sweet treat wasn’t as universal as they had originally thought.
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