Local targeting engine

摘要: Technology is described for local ad targeting. An engine executing on a client computing device may select ads based rules that can be modified without modifying the engine. The from advertisements stored locally data discovered at device, such as by observing user's actions, documents, state of and/or its peripherals, etc. technology employ plug-ins to extend functionality provided include plug-in manager manages plug-ins. also download and manage rules. Each rule specify what actions take, when an event occurs. When component operating system observes event, (or executor associated with engine) executes each related rule. thus arbitrary events system, applications, or other components.