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Use "lightswitch" in a sentence
"I loved Lipnack's "lightswitch" metaphor here: if you walk into a dark room, of all the hundreds of square feet of wall space available, you still grope around very specific places for the switch."
""lightswitch" to toggle between the two views lives in the top right of every page, so you can switch any time you want!"
"It certainly applies to buildings and is very tricky to reach a compromise with (how do you fit a lightswitch that will suit someone 3 foot tall and someone 8 foot tall.) foobar"