Software
Pen Attention: Better Pointing in OneNote During Presentations
If use OneNote in presentations this little bit of software looks like it will be a big aid. Daniel Escapa is pointing to Pen Attention from Kenrick Mock, which draws a circle highlight, pen, or pointer around the cursor when the pen comes close to the screen.
This makes it easier to use the pen as a pointer and easier for your audience to see what you’re pointing to. You can get it here.