There are many women who came before me who didn't really have the same opportunities that I have had. That's why I always wanted to be a great ambassador - not only today's generation - but for the women who really didn't have a voice, but who paved the way for me.

The glory of sport comes from dedication, determination and desire. Achieving success and personal glory in athletics has less to do with wins and losses than it does with learning how to prepare yourself so that at the end of the day, whether on the track or in the office, you know that there was nothing more you could have done to reach your ultimate goal.

Teaching kids about health and fitness is important to me. It's about being fit for life.

Society always needs a level playing field. In order to do that, you have to have opportunity, and providing that opportunity begins with 'how do we bridge that gap,' that so-called Digital Divide? How can we get internet into every home possible?

I maintained my edge by always being a student; you will always have something new to learn.

The London games mark the 24th anniversary of my winning two golds and setting the world record in the heptathlon. Someone is going to want it; records are made to be broken - it's only a matter of time. I hope mine will outlive me.

When I started competing, you had to have your coach there. Now you can be coached from a home office via Skype or video. That's not the same as having them on the field with you.