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a government online service is online tax returns.

a real time online service is BBC news because it is updated regularly on a daily basis.

a commence online service is Amazon because you can buy technology,phone cases, jewelry and much more.

email is a form of communication.

a VLE is a virtual learning environment

video conferencing is not an online entertainment service.

online learning's and vle are used for educational purposes whereas video conferencing and internet banking are used for business purposes.

pay-per click is a type of online advertising.

businesses might pay for sponsored links because they come at the top of a page so people are more likely to click on them.