Uncertainty aside, today's e-business imperative waits on no protocol, and your efforts to enable e-business will soon stall without a good security and directory infrastructure.
It appears that the Texas Instruments controller chosen for the e-paper watch does not support the wireless protocol's low energy profile, something Pebble lists as one of the specs on its site (we've reached out to the company for clarification on this matter).
The e-commerce platform that UBee plans to launch next month will rely on SOAP, for Simple Object Access Protocol, a technology standard based on using "envelopes" that retailers and uBee use to exchange information quickly enough to make these real-time offers.