Complex sentence: It began in Chicago as a zine, distributed mostly at local bookstores and coffee shops, then began publishing online in 2001 before eventually evolving into full-format North American periodical in 2003.
Split into simpler sentences: It began in Chicago as a zine, distributed mostly at local bookstores and coffee shops. LiP began publishing online in 2001 before eventually evolving into full-format North American periodical in 2003.