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Building a realtime voting app in less than an hour Episode 1 By Srushtika Neelakantam, Dev Advocate, Ably

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Ably - Serious realtime infrastructure Page 2 Srushtika Neelakantam | Ably Masterclass - Episode 1 Hi there, I’m Srushtika Developer Advocate @Srushtika [email protected]

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Page 3 Ably - Serious realtime infrastructure Srushtika Neelakantam | Ably Masterclass - Episode 1 AGENDA ● About Ably ● What is realtime? ● What will we build? ● Live coding! ● Ably Hub ● Live Q/A

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Page 4 Ably - Serious realtime infrastructure Srushtika Neelakantam | Ably Masterclass - Episode 1 About Ably Realtime messaging APIs for event-driven applications. ● Minimal latency ● Reliability ● Message ordering ● Scalability ● Protocol interoperability

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Ably - Serious realtime infrastructure Page 5 Srushtika Neelakantam | Ably Masterclass - Episode 1 What exactly is ‘realtime’?

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Page 6 Ably - Serious realtime infrastructure Srushtika Neelakantam | Ably Masterclass - Episode 1 REST requests

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Page 7 Ably - Serious realtime infrastructure Srushtika Neelakantam | Ably Masterclass - Episode 1 Long Polling

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Page 8 Ably - Serious realtime infrastructure Srushtika Neelakantam | Ably Masterclass - Episode 1 Realtime subscriptions

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What will we build?

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Let’s write some code

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Page 11 Ably - Serious realtime infrastructure Srushtika Neelakantam | Ably Masterclass - Episode 1

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Q&A

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That’s all folks! Thankyou. @Srushtika [email protected]

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@Srushtika [email protected] https://go.ably.io/dev-masterclass Don’t forget to register for the next episode of this masterclass series at