The messaging app is changing its rules ahead of the introduction of new data privacy regulations in May.
The drones sound an on-board siren to warn swimmers when spotting a nearby shark.
The bank's IT chaos is set to continue into a fifth day despite an apology from the chief executive.
The Canadian government has invested $2.7m in a project developed by the University of Waterloo.
Academic Aleksandr Kogan also accuses Cambridge Analytica's boss of fabrication.