The document discusses alternative delivery systems in education such as the Alternative Learning System (ALS) and distance learning. ALS is a parallel learning system that provides opportunities for out-of-school youth and adults to develop literacy skills and complete basic education. It discusses the benefits and advantages of ALS. Distance learning allows students to complete coursework without being physically present on campus through online technologies and has benefits like flexibility but also disadvantages like lack of social interaction. The document also discusses information technology and online technologies used for distance learning.