The first emoji set was 172 characters — created by Shigetaka Kurita for i-mode mobile internet in 1999.

The fax machine was invented before the telephone.

The internet weighs approximately 50 grams — the weight of the electrons in motion.

The Hoover Dam generates hydroelectric power for millions of people.

The modern emoji originated in Japan in 1999, designed by Shigetaka Kurita for a mobile internet platform.

The electric light bulb is often attributed to Edison, but at least 22 inventors worked on incandescent lights before him.

The Tokyo Skytree is one of the tallest towers globally.

The sewing machine sped up clothing production.

The concept of email predates the internet — early forms existed on mainframe computer networks in the 1960s.