Multiple Choice
Developers post their programs on a public site and a community of volunteers is free to tinker with them,develop other applications using the code,and then give their changes away for free.This is also known as which of the following?
A) An activity stream.
B) The backchannel.
C) An internal social network.
D) The open source model.
E) A niche market.
Correct Answer:

Verified
Correct Answer:
Verified
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