decisions for the company. i love apple so much and hope to be back as soon as i can." well, apple chief operating officer tim cook is stepping in to jobs' shoes for the third time in seven years, and given that jobs is such a hands-on boss, we asked cnn's dan simon who impact the boss' absence is likely to have on his highly valued american multinational. >> tim cook the chief operating officer is known as a capable manager, so in terms of the financial performance over the next couple of years i think apple will probably be in pretty good shape but in terms of this grand strategic vision that apple is known for, what steve jobs is known for, that's really the question, who is going to provide this overall vision for the next round of innovation over the next several years. that's really the open question. is there somebody currently at apple who can fill that void and we just don't know the answer for that. >> dan simon there.