Two pieces of technology or equipment that you tried;
Two places that are special for you in various ways;
Two stages of a person's life;
Two ways of losing weight: one healthy, the other dangerous;
Volcanoes and Earthquakes;
Weeds to flowers;
William Shakespeare with William Wordsworth;
Your best birthday to your worst birthday;
Your happiest day to your saddest day;
A big college campus to a small college campus;
A female friend and a male friend;
A good boss and a bad boss;
A real vacation and a dream vacation;
A starting pitcher and a reliever;
An active student and a passive student;
An online class compared to a traditional class;
Being a teen to being a toddler;
Being grounded to being in jail;
Being rich to being famous;
Camping in the deep woods to sleeping in a motel;
Comparing Harry Potter with Lord of the Rings;
Creationism vs. Evolutionism;
Facebook vs. Twitter;
Hurricanes and Blizzards;
Inventions vs. Discoveries;
Jungle animals and dessert animals;
Kindle vs. Nook;
Living on a farm to living in the city;
Living on campus and living off campus;
Making an apple pie to making a mud pie;
Nascar to Formula One;
Physical beauty to inner beauty;
Pride and Prejudice with Sense and Sensibility;
Reality TV shows to high school;
Reservation Quota vs. Equal Opportunity;
Riding a roller coaster to loving somebody;
Romeo and Juliet with Much Ado About Nothing;
Snowfall and Rainfall;
Talking to your mom and talking to your friends;
Television advertising and Print Advertising;
The benefits of cold to the benefits of heat;
The influence of celebrities to the influence of parents;
The life of a dog to the life of a cat;
The Toyota Camry hybrid and the Camry sedan;
Two candidates competing for public office;
Two fast-food restaurants;
Two perspectives on the same place: morning and night;
Two pets in the same household;
Two stages of a person's life;
Two ways of losing weight: one