spm-slides.tex: continuous improvement.

1 files changed, 13 insertions, 8 deletions

diff --git a/spm-slides.tex b/spm-slides.tex
index e6fafbb..58def76 100644
--- a/spm-slides.tex
+++ b/spm-slides.tex
@@ -1073,26 +1073,31 @@ Drudgery and no immediate benefit.
 
 
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-\foilhead{Continuous improvement}
+\foilhead{Continuous Improvement}
 
 While developing a software application is important, improving it is
 more important.
 
-It is hard to develop a software application. But is harder to
-continuously improve it partly because people like new things and
-partly because people don't have enough motivation to do that.
+\href{https://www.joelonsoftware.com/2001/07/21/good-software-takes-ten-years-get-used-to-it/}{10-year Rule}.
+ 
+It is hard to develop a software application, and {\em even harder} to
+continuously improve it, partly because people like new things and
+partly because people don't have enough motivation to read and
+maintain old code.
+
+\href{https://www.joelonsoftware.com/2000/04/06/things-you-should-never-do-part-i/}{It’s harder to read code than to write it}.
 
-Your software application is dead in the day when you stop improving
+Your software application becomes dead in the day when you stop improving
 it.
 
-You software application becomes alive soon after you start improving
+You software application turns alive soon after you start improving
 it.
 
-Benno Schulenberg - the Nano Text Editor.
+\href{https://savannah.gnu.org/users/bens}{Benno Schulenberg} \href{https://git.savannah.gnu.org/cgit/nano.git/log/}{maintians} the Nano text editor.
 
 
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-\foilhead{Don't have to provide everything at once}
+\foilhead{Don't Have to Provide Everything At Once}
 
 It would be prohibitively time-consuming to do the following: