Answer: Something people can change and share. It is usually given the bad name of have a bunch of fake information and bugs. Wikipedia is a good example of an open source website but it is not a program.
Explanation: An open source program is a program where you have free rein to basically do whatever you want to it.
I think its ' D ' ,You can use both A and B
Answer:
The main characteristic of web 2.0 applications is they have the ability to become better the more that people use it which means that the answer to this is letter A
