The monthly chart of the Spyder Trust ( SPY) helps to illustrate this point.

FORBES: 80-Year-Old Wisdom That Still Works

To illustrate this point, he picked up a rock and lobbed it into the pit.

NEWYORKER: Reversal of Fortune

This week we straddle the past and the future of exploration technology to illustrate this point wonderfully.

ENGADGET: Alt-week 3.9.13: Sunstones, knotted vortices and a zero-g robot

He uses a non-IT example to illustrate this point, namely the collection of trash that occurs at the same time every week (excepting holidays).

FORBES: The Hidden Costs of Outsourcing

To illustrate this point, a recent survey by the vendor-neutral Open Group finds that many executives are losing their confidence in predicting ROI from cloud engagements.

FORBES: Cloud Computing Boosts Next Generation of Startups, Survey Shows

He uses a scientific metaphor to illustrate this point.

FORBES: Jobs of the Future: Why the Political Class Should Read Michael Saylor's "The Mobile Wave"