Which one of the following is an example of 'Pull Technology' form of communication?

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Pull Technology refers to communication where the user actively seeks or "pulls" information. When you search for something on the web and the relevant websites are delivered to you based on your query, this is an example of pull technology. The user is the one who requests or pulls the information.

Websites that are advertised (Option 2) involve a push approach where information is delivered to you through ads. This is a form of "Push Technology," where the content is pushed to the user.

Social media sites (Option 3) also involve a mixture of push and pull technologies, but the user typically chooses what they want to interact with, making it a hybrid. It’s not purely pull technology.

Websites that are not alive (Option 4) do not constitute communication, as these websites are non-functional and would not be examples of either pull or push technology.