What is wby?

"wby" could refer to multiple things depending on the context, but commonly, "wby" is an abbreviation for "what about you?" used in informal text conversations and online messaging. It is typically used to prompt someone to share their thoughts or experiences after the initial speaker has shared theirs.

If "wby" refers to something else in a specific context, such as a company, organization, or other entity, please provide more details so I can assist you better.