Gotta take Quick Action as these type of related Trends continually Evolve...

But as you Suggested...

"Smartwatches" - if they take off - will undoubtedly lead to new opportunities too!

Even if they don't...

Untapped! Untouched... In so many Different & Unique ways, Smart Thinkers ready, get-set, Go! ...

Definitely! ... Multiple Creative... Ideas to Currently Go after...

Domaining [related] business ideas, investment possibilities, Hidden concepts Worth considering... Shhhh!

Pay extremely very Close Attention to Advertisers, Advertising revenues, throughout Google, Yahoo etc., etc... and a few other related details, Brainstorming and misc. Numerous mixed, ideas and opportunities...
https://www.google.com/search?q=http...AsfkoASfm4HYBg
https://www.google.com/search?q=smar...HM_4oAS5s4GAAw

All the best...
For a Happy, Healthy and Successful 2014!
Phil