The best Christmas ... no overpriced hot cocoa involved. The special feature that sets Twinkly apart is a scan you perform using your phone’s camera that maps out every light on your tree.

As Christmas approaches ... the beauty of electric light: 80 twinkling red, white, and blue bulbs strung between the boughs of a large Christmas tree, which he mounted on a rotating platform ...

Johnson, Edison’s friend and partner in Edison’s Illumination Company, strung together the first string of electric Christmas tree lights. Johnson hand-wired 80 red, white and blue light bulbs ...