Improve the pages for the two 15 min projects...

book/src/SUMMARY.md

@@ -47,6 +47,7 @@
   - [References](project/references.md)
   - [Collaborations](project/collaborations.md)
 - [Side projects](side_projects/README.md)
+  - [15-minute Santa](side_projects/santa.md)
   - [Mapping on-street parking](side_projects/parking_mapper.md)
   - [OpenStreetMap viewer](side_projects/osm_viewer.md)
   - [15-minute neighborhoods explorer](side_projects/fifteen_min.md)

book/src/side_projects/fifteen_min.md

@@ -1,8 +1,25 @@
 # 15-minute neighborhood explorer
 
-[Web version](abstreet.s3-website.us-east-2.amazonaws.com/dev/fifteen_min/)
+![walkshed](walkshed.gif)
 
-We started a tool at one of the DemocracyLab hackathons to understand what's
+- [Web version](abstreet.s3-website.us-east-2.amazonaws.com/dev/fifteen_min)
-contained within a 15-minute walkshed (or "bikeshed", although this has another
+- To run locally, get the
-meaning...). <https://github.com/dabreegster/abstreet/issues/393> has more
+  [latest release](https://github.com/dabreegster/abstreet/releases) for
-context.
+  Windows, Mac, or Linux. After unzipping, run `fifteen_min.exe` or
+  `fifteen_min`.
+
+In a
+[15-minute city](https://crosscut.com/focus/2020/11/seattle-could-become-next-15-minute-city),
+most residents can reach a variety of stores, restaurants, parks, and jobs
+within about a 15 minute walk or bike ride. Part of advocating for a
+bike-friendly city is evaluating the zoning laws and understanding where people
+live in relation to where they work, shop, and meet friends. This tool is a
+prototype letting you see what's 15 minutes away from a starting point. You can
+explore the shops and estimate how much street parking and how many people live
+within a walkshed.
+
+## Feedback
+
+The tool is quite simple right now. If you have an idea how this could be used
+for advocacy, please
+[get in touch](https://github.com/dabreegster/abstreet/issues/393).

book/src/side_projects/osm_viewer.md

@@ -1,6 +1,9 @@
 # OpenStreetMap viewer
 
-[Web version](abstreet.s3-website.us-east-2.amazonaws.com/dev/osm_viewer/)
+- [Web version](abstreet.s3-website.us-east-2.amazonaws.com/dev/osm_viewer)
+- To run locally, get the
+  [latest release](https://github.com/dabreegster/abstreet/releases) for
+  Windows, Mac, or Linux. After unzipping, run `osm_viewer.exe` or `osm_viewer`.
 
 A separate tool that visualizes OpenStreetMap data, with details on lanes, turn
 restrictions, parking lot capacity, and road width. It's also very convenient to

book/src/side_projects/santa.md

@@ -4,11 +4,6 @@ Created by [Dustin Carlino](https://abstreet.org),
 [Yuwen Li](https://www.yuwen-li.com/), &
 [Michael Kirk](https://michaelkirk.github.io/)
 
-- Play online (slower and no music -- download below if possible)
-- Windows
-- Mac
-- Linux
-
 Embed trailer
 
 15-minute Santa is a game where you deliver presents across Seattle. You earn
@@ -19,6 +14,16 @@ work and shop.
 Contact <dabreegster@gmail.com> with any feedback or
 [file an issue on Github](https://github.com/dabreegster/abstreet/issues/new).
 
+## Play it
+
+- [Play online](http://abstreet.s3-website.us-east-2.amazonaws.com/dev/santa/)
+  (slower and no music -- download below if possible)
+- Windows
+- Mac
+- Linux
+
+Unzip, then run `santa.exe` or `santa`.
+
 ## FAQ
 
 ### Why did y'all make this?