Ideas received last year: (click suns to rate or comment on ideas)

1 Sell frozen coffee cubes. That way, perfectly brewed, fresh coffee can keep long-term and be served quickly and easily. E-mail
2 Install motion sensor light and air conditioner switches to turn off electricity when people leave rooms but neglect to use switches. Commercial buildings like offices, stores, or clubhouses can reduce their electricity cost. E-mail
3 3D printer that consumes supermarket plastic bags E-mail

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