Column: Three late-year catalysts for Google, Apple, Amazon, and Microsoft

It’s the dog days for most of us, but August is the start of the busy season for technology companies, as the back-to-school buying season kicks off and the new products for the holiday season are rolled out.

This year should be more interesting than most.

There are at least three big changes in the wind that ought to keep them hopping at Microsoft, Google, Apple, and Amazon, in particular. They’ll be battling each other for market share in a rapidly changing world.