david lavorel, a real pleasure having you on my show. 'll get into the details shortly. but let's start with this, just for the uninitiated, just explain in a nutshell, what does sita do? so sita, we are an it company and we are in essence the invisible hand, technology hands, that support the air transport. so when you check in, when you board an aircraft, when you go through border control, we are here and powering the technology behind the industry. all those areas, from border, passenger, operations? all those areas, present in 1,000 airports in the world, operating in 200 countries and territories. wow, 0k. so we got that out of the way, we know what you do. but let's just break this down. let's talk about this, i mean, we know what happened very sadly to the airline aviation industry during the pandemic, but a real big bounceback, i mean, infact, so much so this year that we know many airlines and airports just couldn't cope with the huge demand. but this recovery, i'm just wondering, how much is technology playing a part in the rec