Introduction to someone via an online medium such as email, instant message or forum post. These sorts of introductions are often less personal but socially acceptable in more technology friendly circles such as online gaming, web services or eMarketing.
The etroduction of Robert to Anthony was well-received even though it could not involve a formalhandshake.
when you're holding up your phone and making faces at it, as though you are taking a selfie, but you're really taking a picture of the person across from you or the wall or anything else that seems interesting but you don't want to be caught dead taking a picture of.
This action is often made more convincing by wiggling the eyebrows or opening the mouth, to pretend you're trying to get a Snapchat filter to work.