The conbooks are typically finished in the rush a month or so before the event, and afterwards uploading old artwork is the last thing on the minds of organizers, who often have to worry about getting a new website theme up and running.
Some artists do display their artwork on their own accounts, usually after the convention so as not to spoil the surprise. Of course, you have to know who the artist is, but it's usually the GoH.
The conbooks are typically finished in the rush a month or so before the event, and afterwards uploading old artwork is the last thing on the minds of organizers, who often have to worry about getting a new website theme up and running.
Some artists do display their artwork on their own accounts, usually after the convention so as not to spoil the surprise. Of course, you have to know who the artist is, but it's usually the GoH.