Controlling a shared service

A method comprising:

• obtaining a liability limit indicative of an available funding to an account;
• maintaining a running total that includes a sum of an amount of liability contributed by a subscriber during a provision of a service to said subscriber;
• determining an available liability that includes an amount of said running total that is below said liability limit;
• and
• issuing a communication to a device to affect said provision of a service to said subscriber when said running total exceeds said liability limit as indicated by said first available liability.

A system comprising:

• a processor;
• and
• a memory that contains instructions that control said processor to cause said processor to perform actions of:
• obtaining a hierarchy of a first account having a first subscriber and a second account having a second subscriber, said second account being lower in said hierarchy than said first account;
• obtaining (a) a first liability limit indicative of a first available funding to said first account, and (b) a second liability limit indicative of a second available funding to said second account;
• maintaining a first running total that includes a sum of (a) a first amount of liability contributed by said first subscriber during a provision of a service to said first subscriber, and (b) a second amount of liability contributed by said second subscriber during a provision of a service to said second subscriber;
• determining whether said first running total exceeds said first liability limit;
• and
• issuing a first communication to a device to affect said provision of a service to said first subscriber and said provision of a service to said second subscriber, if said first running total exceeds said first liability limit.

A system comprising:

• a processor;
• and
• a memory that contains instructions that control said processor to cause said processor to perform actions of:
• obtaining a liability limit indicative of an available funding to an account;
• maintaining a running total that includes a sum of an amount of liability contributed by a subscriber during a provision of a service to said subscriber;
• determining an available liability that includes an amount of said running total that is below said liability limit;
• and
• issuing a communication to a device to affect said provision of a service to said subscriber when said running total exceeds said liability limit as indicated by said first available liability.

A storage medium comprising instructions tangibly embodied thereon, wherein said instructions are readable by a processor, and cause said processor to perform actions of:

• obtaining a hierarchy of a first account having a first subscriber and a second account having a second subscriber, said second account being lower in said hierarchy than said first account;
• obtaining (a) a first liability limit indicative of a first available funding to said first account, and (b) a second liability limit indicative of a second available funding to said second account;
• maintaining a first running total that includes a sum of (a) a first amount of liability contributed by said first subscriber during a provision of a service to said first subscriber, and (b) a second amount of liability contributed by said second subscriber during a provision of a service to said second subscriber;
• determining whether said first running total exceeds said first liability limit;
• and
• issuing a first communication to a device to affect said provision of a service to said first subscriber and said provision of a service to said second subscriber, if said first running total exceeds said first liability limit.

A storage medium comprising instructions tangibly embodied thereon, wherein said instructions are readable by a processor, and cause said processor to perform actions of:

• obtaining a liability limit indicative of an available funding to an account;
• maintaining a running total that includes a sum of an amount of liability contributed by a subscriber during a provision of a service to said subscriber;
• determining an available liability that includes an amount of said running total that is below said liability limit;
• and
• issuing a communication to a device to affect said provision of a service to said subscriber when said running total exceeds said liability limit as indicated by said first available liability.