These services deliver water either monthly or weekly, sometimes even daily.
Normally, the service delivers one or two meals a week.
Online services often deliver by mail rather than hand and cannot promise delivery dates.
Time Warner's service delivers just 21,000 magazines a month now, but it has the potential for huge expansion.
The services pick up and deliver - even, if you have skis.
For others with more money and less time, some services deliver produce to the door.
These services deliver no mail to you until each sender takes a little test to prove that he or she is human.
In many areas, third-party services take orders and deliver from a variety of restaurants.
That casual service does not always deliver water, salt or pepper.
The services will also deliver election results and analysis tailored to the user's interests.