'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
There are more than 10 million bricks in the Empire State Building!
75
More than 50% of Americans fall asleep on their sides.
86
The chills you sometimes feel when listening to music is called "musical frisson."
18
Each day, more than $40 Trillion Dollars changes hands worldwide.
37
Ninety-nine percent of pumpkins sold in the United States are for the sole purpose of decoration.
55
Wearing red increases attraction.
30
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10