Remove past ideas, reexport cfp

2 files changed, 22 insertions, 23 deletions

diff --git a/2023/cfp.md b/2023/cfp.md
index 618f7bb1..c3f1ad97 100644
--- a/2023/cfp.md
+++ b/2023/cfp.md
@@ -29,7 +29,7 @@ exploring the programs from previous years: [2022](https://emacsconf.org/2022/ta
 [2013](https://emacsconf.org/2013/#program).  You might also find some neat ideas on the [ideas](https://emacsconf.org/2023/ideas/) page.  Feel
 free to add yours there too!  If you're still not sure, come by our
 IRC channel `#emacsconf` on `irc.libera.chat` and say hi.  You can
-join the chat using [your favourite IRC client](ircs://irc.libera.chat:6697/emacsconf), or by visiting
+join the chat using , or by visiting
 [chat.emacsconf.org](https://chat.emacsconf.org) in your web browser.
 
 All kinds of people use Emacs for all kinds of things.  We'd love it
@@ -108,7 +108,7 @@ stream of quick ideas followed by lots of conversation over IRC and/or
 Q&A sessions, with occasional deep dives into topics that many people
 might find interesting or useful.
 
-As you think about your talk, consider what you can share in:
+As you think about your talk, consider whether you can squeeze everything in:
 
 -   **Up to 10 minutes total:** What is the core idea?  What do you want
     people to do or remember?  You can show just enough to get people
@@ -123,27 +123,30 @@ As you think about your talk, consider what you can share in:
 -   **Up to 40 minutes total:** What would benefit from a deep dive?
     How do you keep it engaging?
 
-When writing your proposal, please write an outline of what you plan
-to talk about if you have 5-10 minutes. If you'd like to propose a
-longer talk, add an outline of what you might include if you had more
-time to present (up to 40 minutes, including Q&A).
+Think of 20+ minutes presentation as extensions of the 10-minute
+presentation. If you are aiming at the 10-minute presentation, just
+write an outline of what you plan to talk about if you have 5-10
+minutes. If you’d like to propose a longer talk, add an outline of
+what you might add to the first part if you had more time to present.
+20 minutes seems to be the best length for a presentation: short
+enough to keep people's attention, long enough to get into some
+details.
 
-Here's an example for a potentially 40-minute talk. Your proposal
-would include all three sections:
+There will be time for questions and answers after your talk, so you
+don't need to include that in your talk timing.
+
+Here's an example proposal for a 20-minute talk. Your proposal
+would include the 10- and 20- minute sections:
 
 -   10 minutes: quick demo of the abc package working together with xyz
     package.
 -   20 minutes: same as above, with some customization options to
     accommodate a different workflow.
--   40 minutes: all of the above, including modifying the behaviour of
-    the package in order to add something new.
-
-(If you're planning a shorter talk, you don't need to describe longer
-ones.)
 
-This flexibility would help us in devising the conference schedule so
-that as many people as possible could get a chance to present their
-ideas, while still allowing for featuring longer deep dive talks.
+Describing what you'd cover in different talk lengths gives us
+flexibility in scheduling talks so that as many people as possible
+can get a chance to present their ideas, while still allowing for
+featuring longer deep dive talks.
 
 Other session formats such as tutorials, workshops, and hangouts are
 welcome as well, in case you would find those other formats preferable
@@ -152,9 +155,9 @@ session types, please let us know [publicly](https://lists.gnu.org/mailman/listi
 happy to work something out with you.
 
 This year, we'd like to experiment with accepting proposals throughout
-the CFP process, particularly for 10-20 minute talks. If there are
-similar proposals, we'll work with people so that the talks can cover
-different facets.
+the CFP process, particularly for 10-20 minute talks. (Another reason
+to propose a short talk!) If there are similar proposals, we'll work
+with people so that the talks can cover different facets.
 
 
 # Preparing and submitting your proposal
diff --git a/2023/ideas.md b/2023/ideas.md
index 4f1e63a3..aab48996 100644
--- a/2023/ideas.md
+++ b/2023/ideas.md
@@ -4,10 +4,6 @@
 This is a place to collect ideas for talks and other sessions for
 EmacsConf 2023. :-)
 
-You can also check out the ideas from previous years as well:
-[[2021|2022/ideas]], [[2021|2021/ideas]], [[2020|2020/ideas]], [[2019|2019/ideas]],
-[[2015|2015/ideas]].
-
 ## Ideas
 
 - **User stories:** Why and how did you get into Emacs? What was helpful? What was challenging? How did you get deeper into it?