Why iPhone 7/7 Plus does not have Headphone Jack? Courageous Move?

We have had headphone jacks of quarter inch or 6.35mm from 19th Century. Later the miniature version it, which is currently known as 3.5mm audio jack became popular in mid of 20th century.   Despite of having this audio port for such a long time, why Apple is throwing it in the trash? ┬áDo we…