Market size: Large (> 10,000,000 people)
Investments required: Small (< US$50,000)
Expert rating7.2
Public rating8.54
Voting is completed
Now no one is surprised that people open cars without even touching them, just one click. So why are we still open the doors of our houses and flats by hand? It's hard when you talk on the phone or keep a few packages, or just in a hurry. Especially, the door that opens key easier to crack at the time as a monolithic door, that responds to your personal "key», impossible to open.
