Amazon launches gadget for instant ordering

Washington

AMAZON on Tuesday unveiled its latest effort to bring more speed and convenience to online shopping: A WiFi-connected gadget called the Amazon Dash Button that allows shoppers to refill orders of household staples with the press of a button.

The adhesive buttons are meant to be hung in convenient places around the home - so, for example, you might stick the Tide-branded button on the washing machine or the Huggies button in the nursery. When it's time to restock that item, you push the butt…