Justin Sullivan/Getty Images Show More Show Less 3 of6 SAN JOSE, CA - JUNE 04: Mac OS Mojave is announced during the 2018 Apple Worldwide Developer Conference (WWDC) at the San Jose Convention Center on Jin San Jose, California. Justin Sullivan/Getty Images Show More Show Less 2 of6 SAN JOSE, CA - JUNE 04: Apple CEO Tim Cook speaks during the 2018 Apple Worldwide Developer Conference (WWDC) at the San Jose Convention Center on Jin San Jose, California. Apple CEO Tim Cook kicked off the WWDC that runs through June 8. 1 of6 SAN JOSE, CA - JUNE 04: Apple's senior vice president of Software Engineering Craig Federighi speaks during the 2018 Apple Worldwide Developer Conference (WWDC) at the San Jose Convention Center on Jin San Jose, California.