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Our website uses cookies to give you the most optimal experience online by: measuring our audience, understanding how our webpages are viewed and improving consequently the way our website works, providing you with relevant and personalized marketing content. You can also decline all non-necessary cookies by clicking on the “Decline all cookies” button. Please find more information on our use of cookies and how to withdraw at any time your consent on our privacy policy.

About Guillaume Lefebvre


R&D Manager, Worldline

Guillaume Lefebvre is currently Head of R&D User eXperience Department in Worldline. He has 17+ years of experience in innovation and Research & Development. An expert in user interface technologies, he investigates all kinds of new customers experiences to develop new online services for Worldline customers. Guillaume has worked on innovative concepts around new web technologies, Social Networks, chat bots & conversational agents, connected TV, Cross Channel & mobile uses, and new digital journeys thanks to mobile, tablet, camera, wearable device, digital signage, physical web, and Internet of Things technologies.




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Articles posted by Guillaume Lefebvre

Reinvent your future with the promise of Artificial Intelligence

Wave goodbye to the Mobile-First era. Artificial Intelligence (AI) is now all the rage. AI will soon spread everywhere: from mobile apps becoming smarter and smarter, through objects with distributed AI, to data analytics that goes far beyond predictive capabilities. Every company in every industry is under pressure to figure out how the magic of AI…

A little more conversation

In China today, when consumers want to engage with a brand, a retailer or a bank, they don’t go to the company website or even to the app. They start by looking for its presence on WeChat, where they use chatbots to find information, make an enquiry and even to order and pay for goods and services. For some 900 million people, that means…

How to build a Chatbot

Getting a chatbot to interact with end-users is harder than it looks. Today’s customers are comfortable using text messaging apps and voicebots to talk to brands. In China, chatbots on WeChat already let users pay invoices, order taxis or even reserve karaoke stations. Every day, millions of people now say hello, goodbye and even thank you to what are essentially machines. For…

Inside a Chatbot

It is now more than 10 years since at Worldline we first began working on solutions that would later become known as chatbots. Back then, we were approached by a number of brands to help them provide faster responses to their customers’ queries on the Internet or by email. They knew that 48 hours was not good enough for a response time, so we worked…