Complex sentence: Founded in 1982 as a paper based database for people who wanted to sell their used computers, it because a computer based database business in 1982 and first uploaded data to the Delphi bulletin board system on March 4,1983.
Split into simpler sentences: Founded in 1982 as a paper based database for people who wanted to sell their used computers, it because a computer based database business later that same year. The first upload of data to the Delphi bulletin board system was on March 4,1983.