The potato while delicious is also the worlds fourth largest food crop! 
I love potatoes and they really help stretch the food budget, so filling yet inexpensive
Yes that is one of the reasons they are so popular. They were introduced to Europe in the late 16th century by the Spanish. They have never gone out of style since
Almost everyone likes potatoes and there are so many different ways to prepare them
There are indeed many ways to prepare them, and now after selective breeding, there are also a thousand different types of potatoes as well! 
Really? I had no idea there were different types other than red or russet. What are the types?
Russet and russet burbank are two different types i am familiar with. They are very popular in North America. I buy them all the time at walmart!
I will have to look for those. I love plain old mashed potatoes the best with sour cream, butter and bacon bits
Yes mashed potatoes are definitely a staple. Recipes for mashed potatoes actually started appearing back in 1747, Hannah Glasse introduced them fun fact.
Potato salad is another staple as well as baked potatoes. I can make a meal out of a baked potatoe