diff --git a/pages/incubation.screen.md b/pages/incubation.screen.md
index ac07e86..c9d23bb 100644
--- a/pages/incubation.screen.md
+++ b/pages/incubation.screen.md
@@ -5,10 +5,13 @@
 
 
 # #techmech 
+- - https://www.reddit.com/r/software/comments/szfmrf/how_do_i_use_my_old_laptop_as_a_second_screen_to/
+
 ## dummy displays
 
 #software
 ## virtual desktop expansion
+
 ### [Deskreen](https://github.com/pavlobu/deskreen)
 - turns any device with a web browser into a secondary screen for your computer
 ### [Barrier](https://github.com/debauchee/barrier)