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diff --git a/TODO.md b/TODO.md
index 19097da..8d0904d 100644
--- a/TODO.md
+++ b/TODO.md
@@ -21,6 +21,7 @@ This file tracks the next set of immediate, actionable tasks for the project.
            == could we remove this std::set<>?
            == Can this std::vector<T> be replaced by a simple C-like "const T*" array?
            == are these std::string needed or can they be replaced by some 'const char*' ?
+           == do we need these std::cout, std::cerr, etc. instead of printf()'s?
            == etc.
     - [ ] the inclusion of gpu.h (either "gpu.h" or <webgpu/gpu.h>) seems to be a recurring compilation and portability issue. Can we have a single inclusion of gpu.h in some platform header instead of scattered inclusion in .cc files? This would reduce the single-point-of-compilation failures during compilation and portability checks.