I believe that mindfulness laced with consideration for others executed at the smallest scale can actually change the world. Usually we tell people to think bigger, but in this case maybe thinking smaller could be very powerful.
Ultimately there are two attitudes we can take in life: the attitude of a victim, or of a creator. A creator praises their creation; a victim criticizes. A creator lives in appreciation; a victim in complaint, not taking responsibility.
What many of us fail to realize is that with a simple click of the mouse, our worlds open up far and wide, and, along with long lost friends, people we have consciously chosen to close out of our lives come tumbling back in.
There is one resolution you can make that will determine your success with all other resolutions: learning about your emotional world and how it affects every aspect of your life -- for better or worse.
In yoga, if you follow specific practices, only a certain result will happen. Whether a great yogi does it or an ignorant person does it, it does not matter. If one does the practices and spiritual disciplines properly, the results will arise.