diff --git a/images/ff-inspect-menu.png b/images/ff-inspect-menu.png
deleted file mode 100644
index a384793..0000000
Binary files a/images/ff-inspect-menu.png and /dev/null differ
diff --git a/images/ff-inspect.png b/images/ff-inspect.png
deleted file mode 100644
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Binary files a/images/ff-inspect.png and /dev/null differ
diff --git a/slides.org b/slides.org
index 05fa6f5..955ea8f 100644
--- a/slides.org
+++ b/slides.org
@@ -125,7 +125,7 @@
 #+BEGIN: columnview :hlines 2 :maxlevel 3 :indent t :id slides
 | ITEM                                                  | DURATION | TODO     | ENVIRONMENT |
 |-------------------------------------------------------+----------+----------+-------------|
-| Slides                                                |  0:42:58 | LACKING  |             |
+| Slides                                                |  0:42:07 | LACKING  |             |
 |-------------------------------------------------------+----------+----------+-------------|
 | \_  Summary                                           |          |          |             |
 |-------------------------------------------------------+----------+----------+-------------|
@@ -146,11 +146,10 @@
 | \_    GUIs of a Feather                               |  0:00:30 | REVIEWED | fullframe   |
 | \_    Macro-Like Keyboard Instructions                |  0:01:00 | REVIEWED | fullframe   |
 |-------------------------------------------------------+----------+----------+-------------|
-| \_  A New Perspective                                 |  0:13:39 | REVIEWED |             |
+| \_  A New Perspective                                 |  0:12:49 | REVIEWED |             |
 | \_    Perspective Topics                              |          |          |             |
 | \_    Secrets?                                        |  0:01:10 | REVIEWED | fullframe   |
-| \_    Lifting the Curtain                             |  0:00:50 | REVIEWED | frame       |
-| \_    Web Page Source Code                            |  0:00:35 | REVIEWED | frame       |
+| \_    Lifting the Curtain                             |  0:00:35 | REVIEWED | frame       |
 | \_    Text                                            |  0:00:35 | REVIEWED | fullframe   |
 | \_    Text is a Universal Interface                   |  0:01:19 | REVIEWED | fullframe   |
 | \_    The Shell Command Prompt                        |  0:00:40 | REVIEWED | frame       |
@@ -899,57 +898,6 @@ But ``good enough'' is only good enough until it's not.
 :BEAMER_env: frame
 :END:
 
-#+BEAMER: \only<1>{
-#+ATTR_LATEX: :width 2in
-[[file:images/ff-inspect-menu.png]]
-#+BEAMER: }
-
-#+BEAMER: \only<2>{
-[[file:images/ff-inspect.png]]
-#+BEAMER: }
-
-# ATTR_LATEX does not appear to work with :trim or :clip
-#+BEAMER: \only<3>{\begin{center}
-#+BEAMER: \includegraphics[width=0.9\linewidth,trim={0px 0px 350px 375px},clip]{images/ff-inspect.png}
-#+BEAMER: \end{center}}
-
-**** Notes                                                      :B_noteNH:
-:PROPERTIES:
-:BEAMER_env: noteNH
-:DURATION: 00:00:50
-:END:
-
-Let's lift the curtain,
-  so to speak,
-  on what's really going on in the web browser.
-
-Take the LibrePlanet 2019 speaker list page for instance.
-If you right-click on my name and click on ``Inspect Element'',
-  you are presented with the developer tools for this browser which shows
-  what makes up the webpage.
-You'll notice that it has a hierarchical structure made up of nodes
-  describing how certain data ought to be formatted.
-For example,
-  my name is in an =h2= element,
-    which represents a heading.
-Below that we see the talk title and then the talk abstract in a paragraph
-  element,
-    denoted by =p=.
-
-If we look in that bottom =p= element,
-  you'll see the exact text that's displayed on the webpage.
-And sure enough,
-  that text contains the term ``free software''.
-
-But you don't need to use a specialized tool to view the structure of the
-  initial webpage;
-    I just did this for visualization.
-
-*** REVIEWED Web Page Source Code                                 :B_frame:
-:PROPERTIES:
-:BEAMER_env: frame
-:END:
-
 **** Columns                                                   :B_columns:
 :PROPERTIES:
 :BEAMER_env: columns
@@ -977,10 +925,13 @@ But you don't need to use a specialized tool to view the structure of the
 :DURATION: 00:00:35
 :END:
 
-If we instead select "View Page Source" from the context menu,
-  then we get a new tab that contains a much uglier version of what we just
-  saw in the DOM inspector.
-This is the raw source code of the webpage.
+Let's lift the curtain,
+  so to speak,
+  on what's really going on in the web browser.
+
+Right-click on the webpage and select "View Page Source" from the
+  context menu.
+You get a new tab containing the raw code behind the document.
 Most of it, anyway.
 It is a document language called HTML.
 And as you may have noticed,