First and foremost... yes, you can meditate. Many times I have heard how we must find the perfect moment and then when we find that perfect moment to be silent in, there are things that inevitably distract us. Things such as our own thoughts, sounds, sensations, pains, aches, smells, emotions... the list is almost endless.
There are as many techniques as there are quills on a porcupine. Yes, that's a lot and no, I have never stopped to count them... but I do know that there are sure a lot of them.
We can get caught up in letting everything else dictate so us how and why we cannot meditate or quiet the mind. But when it comes down to it, we do have the ability to meditate.
One thing that is good to know is that meditation, even if it is 15 minutes a day is like sleeping deeply for 3 hours. It is an essential part of everyone's daily life. Even in sleep our mind can be very active, but by allowing these few moments of focused, and gentle, awareness in our waking life we can create an enormous amount of room in our lives to allow the new things to enter... new possibilities to blossom and grow.