add headers

_posts/blog/2018-07-12-zcon0-recap.md

@@ -18,6 +18,8 @@ The Foundation extends its thanks to everyone who helped make the event happen:
 
 {% tweet https://twitter.com/VitalikButerin/status/1011700102690271232 %}
 
+# Presentations
+
 All the talks are available to watch in a [playlist on YouTube](https://www.youtube.com/playlist?list=PL40dyJ0UYTLK507afWUMgzUYeh-i4qQWS). You might be interested in…
 
 ## Day 1
@@ -64,6 +66,8 @@ Additional resources that speakers and workshop leaders shared:
 * [Simon Liu’s recap of the cryptocurrency mining workshop](https://forum.z.cash/t/what-happened-at-the-zcon0-mining-workshop-and-more/30062)
 * [Daira Hopwood’s circuit optimization handout](https://docs.google.com/document/d/1aZ1GUAJOBFuqD4GOo9HqAH8w4xJo7HM4Bjte5-wkdnU/edit)
 
+# Outside Coverage
+
 The Zero Knowledge podcast [dedicated an episode](http://www.zeroknowledge.fm/32) to covering Zcon0, including interviews with attendees and speakers. CoinDesk reporter Rachel O’Leary covered the conference in a series of articles:
 
 * [“Zeroing In: Zcash Sets 2-Year Course for Better Crypto Privacy”](https://www.coindesk.com/zeroing-zcash-sets-2-year-course-better-crypto-privacy/)
@@ -74,6 +78,8 @@ The Zero Knowledge podcast [dedicated an episode](http://www.zeroknowledge.fm/32
 
 Additionally, Alejandro Machado [recapped the governance keynote](https://twitter.com/alegw/status/1013954471460851714) in a Twitter thread, Lucas Vogelsang blogged about [“The State of ZApps,”](https://medium.com/@lucasvo/the-state-of-zapps-first-edition-zcon0-conference-notes-51b53ac52a88) and Alexis Gauba asserted that [“Cypherpunk is Not Dead”](https://medium.com/thunderofficial/team-ramblings-cypherpunk-is-not-dead-a25501ddbee1) (we agree).
 
+# Feedback
+
 In a post-Zcon0 workshop, we collected suggestions of what we could improve next time:
 
 * Allow speaker Q&A instead of pushing all questions to the workshops