https://www.theregister.co.uk/2018/06/04/data_integration_is_hard/ > Data integration has been an IT challenge for decades. Long before cloud, even before client server. Back then, though, it was relatively simple – you were working with systems of record, desktop databases and business systems. > Today, it's not so simple. We exchange information about virtually everything from science to retail, from Facebook Likes to regional sales during August.