Lukas Heinrich @lukasheinrich.com · Dec 11 so these were actual physical transparencies? What was used to author this? TeX?
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Aha ! This was PowerPoint! Many people were using latex. Indico rise coincided with the generalisation of video projectors in conf rooms. You would finalise your talk on your workstation in your office, upload to indico. And later download from indico to the room PC. Laptops arrived early 2000s