Add requests and deadlines to webinar section

Author: Yndira Escobar

src/handbook/marketing/webinars.md

@@ -13,9 +13,15 @@ The following are the steps to produce a montly webinar.
 
 ## Webinar Preparation
 
-   1. Identify the webinar topic and speaker as close as possible to the previous webinar.
+   1. Identify the webinar topic and speaker two weeks before the previous webinar.
    1. Confirm the date with the speaker and send calendar invites to block time for the event and for a dry run (recommended one week before the event).
-   1. The speaker creates the draft title and abstract using [this template](https://docs.google.com/document/d/1Ovh-X87OW5uFFFQXlCob3KMoLybLhL1h3qKLLyIe9FY/edit?usp=sharing) (please duplicate the document and save it in the corresponding folder). The host then reviews it to ensure it aligns with our messaging.
+   1. Send an email to the speaker requesting:
+        * A short bio (around 350 characters)
+        * A headshot
+        * A draft title and abstract using [this template](https://docs.google.com/document/d/1Ovh-X87OW5uFFFQXlCob3KMoLybLhL1h3qKLLyIe9FY/edit?usp=sharing) (please duplicate the document and save it in the corresponding folder before sharing it with the speaker). The host then reviews it to ensure it aligns with our messaging.
+            - Set the deadline for all the above to the week before the previous webinar to ensure we have a defined title by the day of the previous session, so it can be promoted during it and in follow-up emails.
+        * Slides for the presentation using [our template](/handbook/design/branding/#presentations). Create a copy and and save it in the corresponding folder before sharing it with the speaker.
+            - Set the deadline to the week before the session so it can be reviewed during the dry run.
    1. When there's a demo involved, provide the speaker with a non-trial FlowFuse account so they can work on it with an official account
    1. [Create a webinar page](#creating-a-webinar-page) for the website
    1. Create a Zoom webinar page