And for the cost of a cheap public transport ticket you can ride the harbor boat-bus around the entire channel and see the same sites as the tourist boats (and even hop off and on along the way).

CNN: Copenhagen: A local's view

Such a gap, she argued, poses a problem for the very system the city has pledged to provide: a hop-on, hop-off network to shorten walking commutes and connect neighborhoods poorly served by mass transit.

WSJ: Bike-Share Rides Past Neighborhood

In the summer months, there are 10 trains per day in each direction, so it is easy to hop on and off as you please.

BBC: Corsica, by breathtaking and bumpy train

Residents who live nearby can literally stroll over to the train station, hop on the Southwest Chief, and step off at the end of the line in Los Angeles.

CNN: A Kansas town tries to keep the train coming through

You can ski right to town, take off your skis, enjoy lunch and hop back on the chair or gondola without ever crossing a street.

FORBES: Telluride - My New Favorite Ski Resort?

For instance, the dot-com bubble eventually reached a point where day-trading retail investors became a dominant force, creating incentives for venture capitalists, underwriters and fund managers to jump on the bandwagon, hoping to hop off before the bubble burst.

FORBES: Magazine Article

Such a decision would put hundreds of British jobs at risk and would once again deprive Londoners of the much-loved hop-on, hop-off service.

CNN: London mayoral election: Battle of the buses

In other words, they could hop off an occupied channel and onto a vacant one before causing so much as a blip on television sets in the area.

ECONOMIST: Difference Engine