I always suspected this. Particularly when you're typing something long-winded, and the agent's response is a bit too quick for having to read it all.
Although, this will certainly depend on the Chat software used. Back when we used Olark at our company, there was no preview available, although we could "co-browse" and redirect the user's webpage, which was helpful in some cases.
Although, this will certainly depend on the Chat software used. Back when we used Olark at our company, there was no preview available, although we could "co-browse" and redirect the user's webpage, which was helpful in some cases.