sentences:  They were very popular in education, with Henrico County Public Schools being the first of many school systems in the United States to distribute one to every student.Apple replaced the iBook line with the MacBook in May 2006 during Apple's transition to Intel processors.In the late 1990s, Apple was trimming its product line from the bewildering variety of intersecting Performa, Quadra, LC, Power Macintosh and PowerBook models to a simplified "four box" strategy