It is estimated that leisure travelers spend more than $500 billion in the United States
Too specific/Fact
Research shows that there are three main purposes for leisure travel.
Good topic sentence
Digital cameras have serveral advantages over film cameras.
Good topic sentence
Digital cameras are a common form of technologies these days
Too specific
Digital photos are composed of small squares, just like a tiled kitchen floor or bathroom.
a fact
Learning the meaning of the abbreavation used in text messaging is like learning a new language.
Too specific
BRB, BTW, CU, and F2F are abbreviations
a fact
Smart phones can perform a variety of useful functions.
Good topic sentence
Consider these four factors when buying your next phone
Good topic sentence
Cats have certain characteristics that make them good family animals
Good topic sentence
Animal shelters take care of homeless dogs and cats.
Too general
It is a good idea to volunteer at an animal shelter
Too specific
