“Network” industries such as electricity, air transport, telecommunication, freight rail, and internet services face a challenge with their competing flow and grid components.  Flows are the power, messaging, trains, airplanes and travelers; grids are the lines, tracks, airports and highways are the grids.

The operating and investment decisions of the flow and grid are best coordinated closely.  For example, the decision to expand railways depends on profitability and sufficient additional freight traffic.  The addition of new high-capacity DC electrical grid components…

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I’m sad to see PC Magazine leave the newsstand, but I’m glad it’s not gone for good. Though I often enjoyed picking up a copy when stranded at a faraway airport, I usually read it online. Even after subscribing to the hard copy this year (which had to be the year it was discontinued) I absorbed most PC Mag content via my laptop.

I hope that the columnists continue to be a big part of the magazine. Not only is PC Mag…

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