How well do you know your cell phone?

Steve Jobs unveiled the iPhone to the world at an event on Jan. 9, 2007, and the first iPhones went on sale on June 29, 2007. When it initially debuted, the phones were only available to AT&T customers. Time magazine, not surprisingly, named it the invention of the year.

Israel-based StoreDot's ultra-fast battery charger can charge a phone in 30 seconds. Consumers will be able to get their hands on the device in early 2017. The company now has its sights set on electric car batteries that charge in 5 minutes.

"No mobile phobia," also known as nomophobia, is the 21st-century fear of being somewhere without your trusty cell phone nearby. According to research out of Britain, 13 million people in that country claim to be afflicted with this modern-day ailment.

Famed Liverpool luxury designer Stuart Hughes designed an iPhone 4 Diamond Rose Edition that carried a price tag of $8 million. The reason? The phone is encased in 500 diamonds with an additional 53 atop the Apple logo. Only two of the devices are believed to be in existence.

It was at Motorola’s Israel R&D center, opened in 1964, that engineers first developed original cell-phone technology. The company now has several research facilities in Israel with more than 800 engineers there working on new technologies.

In Japan, some estimates say 90 percent of mobile phones are waterproof. “This is very unique," said a Panasonic spokesman. "Young Japanese women prefer to use their cellphones even when taking their showers.”

According to insurance claim data, about 100,000 cell phones are lost down the loo each year in England. An additional 23,000 were dropped in the bath.

California-based Apple sold 74.5 million iPhones in the final quarter of 2014. The total equates to more than 34,000 phones sold every hour, around the clock, for three months straight. Apple CEO Tim Cook called demand for the device "staggering."