**Apple boss Steve Jobs has made his first public appearance after almost a year of cancer treatment, at a product launch in San Francisco.**Mr Jobs’ last major public appearance was in October 2008, unveiling a new MacBook, since when he has been absent because of ill health.
Earlier this year, Mr Jobs had a liver transplant in a Tennessee hospital.
Apple is thought to be ready to update its range of iPods, amid speculation over the future of the iPod Classic.
Mr Jobs won a standing ovation as he walked on stage, after which he thanked the young man who donated his liver, and urged the audience all to become organ donors.