Editing System 7 (section)

==Development==
[[File:Secret_About_Box_from_System_7.0.png|right|thumb|The Secret About Box debuted as an [[Easter egg (media)|Easter egg]] in System 7.0, with the [[Blue Meanies (Apple Computer)|Blue Meanies]] credits.]]
{{details|Blue Meanies (Apple Computer)|Taligent}}
{{anchor|Pink and Blue}}
By 1988, the Macintosh had been on the market for four years. Some aspects of the operating system were beginning to fall behind those of [[Microsoft Windows]].<ref name="Apple: The Inside Story">{{cite book |title=Apple: The Inside Story of Intrigue, Egomania and Business Blunders |first=Jim |last=Carlton |orig-year=1997 |date=1999 |isbn=978-0099270737 |oclc=925000937 |type=hardback |edition=2nd |publisher=Random House Business Books |location=London | url=https://archive.org/details/appleinsidestory00carl | via=[[Internet Archive]] | access-date=March 3, 2024}}</ref>{{rp|133}} Many of the assumptions of the System software architecture were obsolete – mainly, the single-tasking model, the replacement of which had first been examined in 1986's Switcher and then replaced with [[MultiFinder]] in [[Classic Mac OS#System Software 5|System 5]].

In March 1988,{{efn|name="n1"}}<ref name="Taligent's Guide">{{cite book |title=Taligent's Guide to Designing Programs: Well-Mannered Object-Oriented Design in C++ |series=Taligent Reference Library |first=David |last=Goldsmith |publisher=Addison-Wesley |location=Reading, MA |date=June 1994 |isbn=978-0201408881 |oclc=636884338}}</ref>{{rp|XXIII-XXIV}} shortly before the release of System 6, a group of senior technical staff and managers at Apple held an offsite meeting to plan the future course of Mac OS development.<ref name="Apple: The Inside Story"/>{{rp|96}} Improvements that seemed achievable in the short term were written on blue [[index card]]s, longer-term goals like true multitasking on pink cards, and more ambitious ideas like an [[object-oriented]] [[file system]] on red cards.<ref name="Apple: The Inside Story"/>{{rp|96-98}}<ref name="Singh, pg. 2">Singh, pg. 2</ref> The blue and pink ideas proceeded in parallel teams. The Blue team nicknamed itself [[Blue Meanies (Apple Computer)|Blue Meanies]], after characters in the film ''[[Yellow Submarine (film)|Yellow Submarine]]'', and released System 7 in 1991.<ref name="bluemeanieseastereggs">{{cite web | url=http://www.mackido.com/EasterEggs/BlueMeanies.html | title=Apple Easter Eggs | publisher=MacKiDo | date=August 26, 1998 | accessdate=March 18, 2024 | first1=David K. | last1=Every | first2=Daniel | last2=Fanton}}</ref><ref name="Apple: The Inside Story"/>{{rp|169}} Pink was spun off into [[Taligent, Inc]] in 1992 within the [[AIM alliance]] with [[IBM]].<ref name="Apple: The Inside Story"/>{{rp|167}}