DuckDuckGo was founded in 2008, while Google was founded in 1998. This means that Google was more likely to have a than DuckDuckGo. The purpose of search engines is to deliver information to consumers. One question DuckDuckGo had to ask in the early stages of development was "How much will it cost us to find the information that customers request?" This is an example of: Storage costs Acquisition costs Communication costs Retrieval costs Suppose that the developers of DuckDuckGo became concerned that Google engineers were trying to hack their system so that Google could get access to the search requests made on DuckDuckGo. Which of the following steps could they encourage users to take to prevent the hacking from working? Check all that apply. Work on a virtual private network (VPN) Use a system of public/private key encryption Use electronic data interchange Use an executive information system