<prompt> Translate the following text to SwahiliCommission proceedings in which the Postal Service has sought to introduce service innovations-some of them customized for particular groups of mailers-on an expedited basis.  <response>: Utaratibu wa Tume ambao Huduma ya Posta imejaribu kuanzisha ubunifu wa huduma - baadhi yao iliyoundwa kwa makundi maalum ya wajumbe - kwa haraka. 