Allows you to continue working when your computer is "down".

 Many companies have found that renting computers for sales presentations or business trips is preferable to moving their own     computer equipment.

 No commitment to a long-term obligation.
    "Out-of-towners" can keep up to date with their email.

 A Laptop can be a valuable resource for taking notes during that "once a year" seminar or conference.

  No need to purchase equipment for temporary use of products.

 The needs of many types of businesses dealing with short-term projects, new employees, or training programs are satisfied.