Pretty, blinking lights are very popular, and people like to adorn stuff with
light strings, especially if it's decorative or festive lighting.
Decorative lighting includes L.E.D.s, or light emitting diodes.
Flashlights have been made with diodes in them.
Party lighting or festival lighting is sought after by people who enjoy festive party lights.
Lightsticks are fun to purchase and carry around in the dark.
Glow-in-the-dark lighting is fun.
