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[ambrus]: (b) a good presentation system that lets the presenter quickly interactively edit the slides live during a presentation, to combine the advantages of blackboard and overhead slide styles in modern tech
[Corion]: Heh - in university, I cheated on (a) by doing blackboard presentations using chalk. But those were 2 hour presentations, not quick/essential/ reduced presentations where you want to show something quick
[ambrus]: (either on just one screen or two screens). this is necessary because
[ambrus]: overhead slide plus blackboard is inconvenient because the lighting conditions are different and they require separate areas you can't quickly repartition, and typing on keyboard is faster and more convenient than writing on a blackboard
[Corion]: (b) would be cool. I've thought about this doing Pod editing, and even simply regenerating/live updating the browser makes things much more interactive
[ambrus]: modern computers have way enough processing power to allow this, at least for geeks who are willing to spend a few weeks to learn a tricky new user interface like vim
[Corion]: ambrus: Well, for mathematical notation, I find blackboard much more convenient than a computer. But when inserting text or moving text around, the computer wins obviously
[ambrus]: But either of these is a big problem in practice, so I'd need to spend like thirty years of my life to solve (a) and five more years to solve (b)
[ambrus]: Corion: yes, CURRENTLY the blackboard is more convenient
[ambrus]: and it's not like I want to ban blackboards anyway

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