Learn lightning talk vocabulary: 5-minute format, key takeaway, the hook, slide structure, submission process, and hallway track Q&A.
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What is the standard format of a conference lightning talk?
A lightning talk is typically 5 minutes (some conferences allow up to 10). The constraint forces focus: one idea, well told. Many conferences use auto-advancing slides (20 seconds each, 15 slides) to strictly enforce timing.
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Why is 'the hook in the first 30 seconds' especially important in a lightning talk?
In a 5-minute format, you have no time to warm up the audience. The opening hook — a surprising fact, a bold claim, or a relatable problem statement — must immediately signal why this talk is worth 5 minutes of the audience's attention.
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A speaker says: 'I have 5 slides for 5 minutes.' What principle does this reflect?
5 slides for 5 minutes is a practical targeting rule. It prevents the common mistake of trying to cover too much. Each slide should support one clear point, and the speaker should be able to discuss each slide in roughly one minute.
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After a lightning talk, a speaker says: 'Any questions in the hallway?' What does this mean?
'Questions in the hallway' is a standard lightning talk convention. There's no time for Q&A in the room, so interested attendees are invited to approach the speaker afterwards — turning a one-way talk into a networking and discussion opportunity.
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What is a 'lightning talk submission' at a conference?
Lightning talk submissions typically have a lower bar than full talk proposals — a brief abstract or even just a title is often enough. Many conferences accept them on the day via open voting, making them an accessible first step for first-time conference speakers.