By Eliana BarrigaPublisher and Managing Editor for The Retail Observer Eliana Barriga In an Entrepreneur article, "Want to Be Successful? Focus on One Business," CEO Tim Cook revealed a guiding principle that Steve Jobs instilled at Apple: the need to stay focused on doing only what you do best."It's easy to add ... it's hard to stay focused," Jobs said during a Charlie Rose interview. "And so the hardest decisions we make are all the things not to [...]
