What D-Day Tells Us About How Tech Goes from Niche to Mass The Allied victory depended on an innovation once available only to the rich and powerful. Now, we all use it every day.

The average American consults one 3.8 times per day. This isn’t just about convenience. Accurate forecasting generates $31.5 billion in economic value annually at a cost of only $5.1 billion.

American inventions proved their worth in the Normandy campaign that began on June 6, 1944. They allowed Allied forces to shoot, move and communicate in the arduous D-Day landings. From floating ...