diff --git a/todo.txt b/todo.txt
index 753118d..6d2c5df 100644
--- a/todo.txt
+++ b/todo.txt
@@ -6,6 +6,10 @@ Example Writing:
 [ ] Example of more complex data initialization via the hook
 
 
+Practical Use Tips:
+
+[ ] See the symbol set in the debugger
+
 
 Vetting:
 
@@ -26,14 +30,17 @@ OSs:       Win32, Linux, Mac
 
 [ ] Check configurations for link time optimization removal of symbols
 
+[ ] Vet __ImageBase trick on Windows linkers
+
 
 
 Development:
 
-[ ] experiment with __ImageBase pseudo variable (linker variable)
+[x] experiment with __ImageBase pseudo variable (linker variable)
 [ ] Small as possible binary parser for "selfimg" purposes
     [x] PE
-
+    [ ] Elf
+    [ ] Macho
 
 
 Structure Research:
@@ -43,14 +50,15 @@ Structure Research:
     [ ] Learn how to put the symbol data into .data and relink everything
     [ ] Setup id symbols & editing to give them values
     [ ] Eliminate the "raw" version of symbols
-    
 
 [ ] Do I want to maintain a pair of versions one with object file editing
     and one without?
 [ ] Explore the tradeoff of using the hook for more complex data initialization
+    [ ] OpenGL Shaders?
 [ ] Could Symbol Sets syntax be organized in such a way that it's just a data
     section and type wrapped in a macro?
 [ ] How does this hold up when multiple DLLs or SOs are involved?
+[ ] Try using this to generate the IDs for profiler blocks?