I kēia manawa, me kona ʻano hana like ʻole, ʻike kiʻekiʻe kiʻekiʻe a me nā hana pānaʻi ākea ākea, nā hōʻike LED waho e lilo i mea kaulana loa i waena o nā mea hoʻolaha a me nā mea hoʻolohe.
No ka "foreman" pehea e ʻike ai i ka maikaʻi o ka hōʻike LED, ʻaʻole maopopo ʻo ia i ka hōʻike LED. Ma lalo o nā kūlana maʻamau, paʻakikī ka hoʻomaopopo ʻana i ka mea hoʻohana, a ʻo nā lā e hiki mai ana nā ʻano ʻoiaʻiʻo a pau.
Hōʻike Manaʻo Pāʻoihana Harvard: Ma kahi o 4 miliona mau hola i ka lā ma UK e hoʻohana ʻia i ka hui hui, ma ʻAmelika Hui Pū ʻIa, awelika 1,100 hui hui i kēlā me kēia lā, ʻo kēlā me kēia mea he 3.5 mau hola i ka lā, ʻaʻole 1 hola.