Peers can be the best teachers, because they're the ones that remember what it's like to not understand.
Using PowerPoint is like having a loaded AK-47 on the table.
Pascal and C are special-purpose languages for manipulating the registers and memory of a von Neumann-style computer.
My belief is that PowerPoint doesn't kill meetings. People kill meetings.
Simple models and a lot of data trump more elaborate models based on less data.
Let me just say that, if you ever have the choice of putting your words in powerpoint or having them carved into 30-foot high marble, I'd say go for the marble.