點解pizza會咁受歡迎?(20點)

one of the reason, it is many different taste to customer
another of the reason, it is feature of the western because it is
responsible to western's culture.
it is different between Mcdonald and KFC.
it is comfortable when you are enjoy it with your friends
it is no-self service when you are to buy it.
it is market target, it is no only children's market
adult are their market target.

In the 20th century and onward, pizza has become an international food and the toppings may vary considerably in accordance with local tastes.
These pizzas consist of the same basic design but include an exceptionally diverse choice of ingredients, such as chicken, shellfish, pineapple etc.
There are many pizza styles. For example: Lazio style, Sicilian-style pizza, U.S. styles, New York-style pizza, Chicago-style pizza, Chicago-style thin crust pizza ......

So, pizzas are very famous.