The lines are blurring between mass transit and sharing. Good for you.

For travelers such as Vicki Rosenzweig, there’s a bright line between mass transit — a bus, train or ferry — and ridesharing, carsharing and bikesharing.

“Uber isn’t public transit,” says Rosenzweig, an editor who lives in Arlington, Mass.

Or is it? Read more “The lines are blurring between mass transit and sharing. Good for you.”