Airplane

1. Experiences

1.1. Learning cultures of different countries

1.1.1. New node

1.2. Being able to "fly"

1.3. Meeting different people

2. Transport materials

2.1. Importing/exporting products

2.2. Sending packages oversea

2.3. Fresh food

2.3.1. Fruits

2.3.2. Seafood

3. Weapons

3.1. Bombing

3.2. Destruction

3.3. Kill people

3.4. For war purposes

4. Traveling

4.1. Faster way to travel

4.2. Easier to visit far away countries

4.3. Carries huge number of people at one time

5. Increased Jobs

5.1. Stewardess

5.2. Pilots

5.3. Travel agencies

5.4. Traveling guides

6. Dangers

6.1. Crashing would be fatal

6.2. Affected by weather

6.3. Increases death rate