Counterclockwise: phones that rotate

Phones have had rotating controls since the early days. In the 19th century, if you wanted to call someone, you had to crank a handle (it generated the electric pulse that rung the bell of the other phone). In the 20th century, there was the rotary dial. While cell phones never had a rotary dial, the likes of the Sony CMD J7 had a Jog Dial - a wheel on the side of the phone that can be used to navigate menus. BlackBerry started with trackwheels too, but the iconic Pearl series introduced the trackball. The T-Mobile G1 had a trackball too. Of course, later models swapped out the...



Comments

Popular posts from this blog

Honor 20 Pro is Now Available in 14 Countries

Motorola’s foldable Razr phone may be announced before year’s end

Behind Dynamic System Updates in Android Q: How Google is using Project Treble to improve future Android releases