Do we need watches to tell us more than the time?

Big companies have been trying hard to make the long-awaited smartwatch "revolution" happen, so tick tock, what's taking so long? Smartwatches are just not very smart when left to their own devices - they need to be connected to a smartphone for full functionality. via Pocket http://www.bbc.co.uk/news/technology-22627932#sa-ns_mchannel=rss&ns_source=PublicRSS20-sa