Business model with some of our supplier partners going deeper into the value chain, as we respond to the situation. 50 respond to the situation. so there does have to be change as a result of all of this? inevitably there will be changes in the way we procure material and work with both our tier one but also our tier two and three supporters —— suppliers, who in many cases apply these components. interesting to get stuart rowley�*s take on things at the moment. stay with us on bbc news, still to come... a fragmented internet — as western tech giants pull—out of russia, will moscow g...