communication (writing)

[Netiquette] is necessary for users to prevent [cyber violence] in [cyber world].

Make an example with 'interact'

The use of [landline phone] experienced the considerable decline since smart phone was invented.

Make an example with 'language barrier'

There are more and more people study [non-verbal language] parallel to verbal language.

Make an example with 'video conference'

I planned (go) to the shopping centre with my friend this morning.

• to go

• going

We succeed ... impressing the judges by the interesting presentation.

• on

• in

• at

• with