WWTBAM is an acronym for "Who wants to be a Millionaire", which is a famous quiz show that airs in several countries.
For a manuscript speech, the speaker has an entire manuscript to read from. The benefit is that, as every single word is scripted, no important parts will be missed. However, speeches that are fully written down often seem unnatural and may bore the audience.
Interpersonal communication is face-to-face communication. It means that people exchange information and feelings through verbal and non-verbal messages.
With Virtual Reality people can practice situations and important processes in a virtual room by putting on special digital glasses. They can influence what happens themselves.