revision for exam

what are weblogs?

what are microblogging sites?

what is a wiki?

what is a chatroom?

what is a podcast

what is a network of friends?

what is netiquette?

what is a virtual world?

what is instant messaging?

what is voice over internet protocal?

what is an online community?

what is a type of online communication?

what is a form of real-time infomation?

what is online commerce?

how does the goverment use online services?

what forms of education is there online?

how would businesses use online services?

in what ways are entertainment a form of an online service?

what are the types of online advertising?

what is pay-per-click adverting?

what is instant messaging?

what does VoIP mean?

what does compressing a file do?

what is a store and forward system?

what are the advantages of email?

what is a CC?

what is BCC?