added remix-at-dappcon slides.pdf and links to that

docs/workshop_Building_smart_contracts_with_Remix.md

@@ -1,8 +1,14 @@
 Building Smart Contracts with Remix
 =======================
 
-We prepared a thorough workshop that will help you build your own DApp. We will show you how to build and deploy smart contracts, how to deploy them and how to interact with them. Later in the workshop you will also learn how to connect your frontend with blockchain by using web3.js.
+We prepared a tutorial that will help you build DApps with Remix. In this tutorial, you learn how to build smart contracts, how to deploy them and how to interact with them. Then we show you how to connect your frontend with the blockchain by using web3.js.
 
 ### Let's get started
 
-This workshop was part of preparations for ethCC and Edcon. You can [watch the presentation talk](https://www.youtube.com/watch?v=nAI_Cr5Y8JY) and in parallel open the [workshop slides](https://slides.com/ninabreznik/deck-11-13#/) and follow along.
+This tutorial was used in workshops at ethCC, Edcon, and DappCon. 
+
+You can [watch the Edcon presentation talk](https://www.youtube.com/watch?v=nAI_Cr5Y8JY) and here are the [workshop slides](https://slides.com/ninabreznik/deck-11-13#/).
+(May 3, 2018)
+
+Here are the [DappCon slides](./remix-at-dappcon.pdf). 
+(July 19, 2018)