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to a (general) public - rather to business associates etc. (who may even be an invited audience);
- to relatively undifferentiated audience - the range of a priori knowledge will vary within any given audience... but will often be quite low;
- with more time (that is a greater duration) than a 'business presentation' (often) - or at least more flexibility of timing;
- without much in the way of visual-aids - or at least using them in a different way;
- in a relatively formal, one-way process with few chances for questions;
- with a less focussed subject matter (typically).
