The Twilio for Salesforce contest is a two-week challenge where developers can win a Netbook by building an app that integrates Twilio with Salesforce. The deadline for submissions is November 19th, and the winner will be announced on November 20th at Dreamforce. To help participants, Twilio will provide tips, tricks, sample code, and more in the coming weeks. Developers can access resources such as API reference documentation, SDKs, and quickstarts to build their app.