DUBLIN--(BUSINESS WIRE)--Research and Markets has announced the addition of the "Global Digital Door Lock Market Demand & Opportunity Outlook 2021" report to their offering. The smart lock market will grow $3.8 billion worldwide by 2020. North America and South America together are expected to cover 55% of the total smart door lock market share over the forecast period. The Bluetooth-based smart lock segment is expected to be the largest market segment during the forecast period and will ac