With almost $145 billion in the bank, why is Apple borrowing money to buy back stock? And what does the share repurchase and increased dividend mean for Apple’s future? David Rabinowitz goes digging for some answers.

Annoyed by having to rearrange your windows constantly so you can see everything you’re working on? The Divvy utility provides quick and useful window management for Mac OS X.

The iPad has tantalized educators with the possibility of electronic textbooks, and we’ve heard lots about it from publishers and publishing industry pundits alike. David Rabinowitz has a somewhat different view, and as a college senior, he has been watching the evolution of etextbooks up close.

After four years majoring in computer science at the University of Virginia, David Rabinowitz shares his impressions of what it’s like to go through such a program and be facing the real world.