Ashton Kutcher, other celebs Tweet reactions to Steve Jobs' death

Slideshow posted in Photos | Wednesday, October 05, 2011

1 of 30: "Design is not just what it looks like and feels like. Design is how it works. - Steve Jobs RIP," Ashton Kutcher wrote on Twitter, referring to the death of Apple co-founder Steve Jobs on October 5. The 56-year old computer entrepreneur and inventor had battled cancer in 2004 and underwent a liver transplant in 2009 after taking a leave of absence for unspecified health problems. (Pictured: Ashton Kutcher appears in a still from his 2009 film, 'Spread.') (Barbarian Films / Voltage Pictures)