I During its first release, the Nokia 3310 was sold at $166(£129). The phone became available for just a mere $55 (£42), on its revamp.

I Most men have thicker and more coarse hair than women. Women tend to have softer and smoother hair because their own hair is only about half as thick as a man's.

I Big thanks to Nikola Tesla, because up until today, his research and discovery with wireless connections and gadgets at large, made a great impact in the invention of smartphones and some other wireless devices we have.

I It is not wrong to also call Mars "the rusted planet", because it is actually covered with rust. The red planet or Mars got its red color from the presence of iron oxide on its surface.

I Apart from the sun and the moon, Venus is the brightest object in our night sky. This is because the planet is very close to the earth, so it is visible to people who look up at the sky at night.