Utterly idiotic IMHO.
Might have a use for underwater photography, but fishing, no.
Am I the only one here who feels inadequate every time someone 'invents' a virtual way of doing things or an App to do what was always done adequately in other ways? For sure there are many time saving, or process improving technologies, but much of it seems to be tech for tech sake.
Perhaps I am just a Luddite!