 Thanks for the introduction. Perhaps a few words to me as a person. I'm doing this talk with two heads on my head. The first one is I'm doing, since more than 20 years, my own company in consulting for those migration projects. And the second head is, as the moderator said, I'm now the chair of the certification committee from the Document Foundation who are doing certificates for such service consultants who are doing in practice in real life such migration projects. So this is some professional deployments we are supporting in Germany. It's not so known in Asia. Perhaps you have an idea of this one. This is Bosch one. This is one of the hugest deployment we ever have supported worldwide for Bosch, who is doing also open store stuff on the desktop, mainly with their own IT department, but certainly they need specific certified consultants for doing special project items, which I want to introduce you a little bit, just six highlighted items because of the shortness of the time we have in this slot. But first of all, what is LibreOffice? I think give me a hand who know what LibreOffice per se is. Yeah, I see most of you know it. So let me introduce what's above. You all know LibreOffice with its roots in OpenOffice. It's a client installation, a desktop deployment, but it also runs as core technology for the other devices you see there. So for an online version of LibreOffice, it's not the LibreOffice online version, but there are other ecosystem partners who are doing with the core technology of LibreOffice, their own branded online version. But under the hood, it's pure LibreOffice and brought in these different devices by their own ecosystem partner solution. So this is why I said nowadays we are not just talking about LibreOffice on desktop, more and more about online browser and mobile devices. But let me introduce the first item or the first issue in such migration projects. This is this one. We all hiding through browser based solutions, cloud collaborations and so on. Certainly this is very, very important. I will do another item with this, but let me say desktop clients is still and will still be needed in the future. Unfortunately, and sad to say, for example, in Germany there are so much areas where you are not online. And especially in areas where you have workers who have to do the homework, for example, you need such a desktop client installation for doing office productivity work with it. So this is very, very important because the work doubled, the work doubled in the sense that we have to care about not only about an online solution for productivity suites, but also for deployment work and so on on the client on the desktop, the old devices. Nevertheless, in the last 10 years our big, how do you say, our big player in the market, let's say the word Microsoft Office is doing his UI, especially for desktop ahead and introduced different things, a new tapped UI. You will see an answer of LibreOffice to that, but also some developments in assistant functions, very interesting, which are AI based, artificial intelligence based, which is very much used from our customers, which are tried to migrate to another suite. And they ask the question, hey, what's your answer to this? To be honest, the answer is nowadays, not so big. We do not have the same AI-based assistance in place, but these days I learned from Frank that in cooperation with NextCloud, we are doing, we are going this road down, we are doing plugins and add-ins to have same functionality, not just AI-based assistance, but also connectivity to these AI tools we use as chat GPT or something like this. So there's a lot of work to do still here. Next one is, which is really not one, which is 20 years ago was a big issue, a big item, which is nowadays a big item. This is the issue with the document format. You all know that LibreOffice and LibreOffice Core Technology, its native document format is open document format, nowadays not in version 1.2, but in version 1.3. LibreOffice is the reference implementation of this open, free and open document format. But in real life we have the situation that a lot of customers want to change to a digital sovereign office productivity suite, but not to change the document format. The good news is LibreOffice can do Microsoft Office document format so you can use all your old stuff, which is on your server, on your file server, with LibreOffice, but you have to analyze and define a strategy which defines the use document format in the future. Keep in mind that all these working in LibreOffice with not native document format could follow up with some layout issues or other issues, or just see the macro item, which is not working in both worlds. If you do this in a round trip, again and again, with import and export filters in it, it makes the problem with each cycle a lot of bigger. Yeah, the next one is a new one, a very new one. It's something like a hype in Europe. It says, bring me digital sovereignty so everybody understands, oh if I go down the road with Microsoft in the Microsoft cloud, it's not the digital sovereign solution for me. And they realize that they also could risk their business with such a solution. Yes, they could risk their business with just using an Office Productivity Suite in a not sovereign cloud. So here is a solution with a LibreOffice technology which can in combination with a file sharing a solution could do this in a digital sovereign way. But the issue here is that certainly you are permanently compared with the running solution at the customer. And it takes a little bit of time to migrate such installations which is used at every workplace in such a customer. And the patient for that, for such a migration project is very low. So it should be like a big bang. And big bang is not always the best solution to it. Yeah, as I promised, certainly a new development, new issues, the online cooperation also on smart devices. This brings the next issue in front. It is something in combination with the UI we use. As I mentioned, Microsoft Office brought in this ribbon UI and we in LibreOffice did quite a similar UI alternative. But as an alternative, you can really choose by your own if you want to have the old one or the new one can changes there and changes that. But this makes also more training stuff, for example. So if you have both UIs in your company, you want to have supported both, you have to train on different UIs. And if you have in mind that this is also on smart devices, then there's a third variant of UI where you have to search for functionality and so on. So this doubles or thirds the support efforts and the training efforts for that. Yeah, and last but not least, that's what was written also in the headline of the talk. It's the human factor. Or in other words, it's the resistance of change. This is a picture of the Kuiper horse change curve. Perhaps some of you know them. These are the different phases of resistance of change, shock and denial. I could tell you stories about users who come to me and say, hey, you are taking away my Microsoft Office suite. I will fight you till the end. Really, really emotional process. And you have to cover different phases of users. First of all, you have to take care of these emotions. This is absolutely a success factor to take care about this. You see something like anger and frustration and fear. If you don't take it for serious, then you will lose the users and they really get success with the fight against you. So there are different strategies and different activities you can face these phases. And what we have done in TDF is that we have written down a migration protocol, which we are certifying for consultants for these different stages. First of all, do not a migration without any analysis and impact test for which integration are needed in customer side with other ERP systems or something like this and which solutions you need for these integrations out of Microsoft Office for Libre Office. Then do the training and parallel to all the stages, do a project management and permanently contact to the boss of the customer that it's one of the most success factor to have the support of the boss in this customer side. And so on. You can all read this on the migration protocol of the document foundation, which I will show you the link if you are interested to read it. So to guarantee such a quality of migration, documentation have decided seven to 10 years ago to do a certification, but not such a normal certification perhaps you know from others, especially also from Microsoft Office. We are doing this in a very, very special way. We are doing this in one to one face manner. So every certified professional in the categories migrators and trainers have done such a refuse session with a certified people from the document foundation. The professional developer side is to secure the development of Libre Office to have just contributions with a high quality and within people of trust bringing in new code into Libre Office called technology. So if you are interested in have experience and interested in such process, you have to have to do some prerequisites. You have to show some experience out of documents out of other pieces, which you have worked on for such migrations. And it will be seen by some few people out of a committee. And if they say, hey, this is in a professional manner, this is in accordance more or less in accordance with the migration protocol, for example. Then we go into a discussion with you, try to get in connection with the community and to have a permanent conversation about these migration projects. And then you get the stamp from the document foundation, you are a trusted migration consultant or a trusted Libre Office trainer in different levels or different modules. Here are some links and application forms if you are interested in. Perhaps you ask, okay, I'm not that expert now in nowadays. I have few some flyers if you are interested in become a developer or migration consultant or just involved in the community. We have some information for you. I will lay it here so you can take some flyers for that. There's also a link where all information is written down where you could get involved into the community and into such ecosystem partners which are doing these migrations and trainings and and so on. That's it. Hope I've done