I hate to say it, but Apple are the only ones who appear to understand wearables.You should never have to take a wearable off to charge or sync. Data should transmit wirelessly and automatically charge through kinetic motion - http://www.bbc.co.uk/news/technology-21547947
Just imagine if Apple's smart watch looks like this: http://cdn.macrumors.com/article-new...oncept_set.jpg . Imagine the Apple fanblog posts.