The cup was expected to recharge via inductive charging on a proprietary base station, to be included in the product packaging.
[4] During the unveiling of Vessyl in June 2014, live demonstrations of the sensor technology to journalists received wide praise.
However, in March 2015, Mark One announced via blog update that the shipping date would slip to "Q4 2015"[7] once it has reached a satisfactory level of performance.
After stepping down as CEO in June 2015—Co-founder, Justin Lee, no longer held a day-to-day role at Mark One and moved on to other endeavors.
[11] As of July 2017, direct email inquiries regarding Vessyl were returned with information from the company stating that they had "isolated the existing issues and have completed a plan to move forward with and that we are confident in.
[10] In October 2015, the company announced that refunds would be issued to those who opted not to wait out production delays of Vessyl.
[10] Pryme Vessyl was released to the public in November 2015 along with the promise that early supporters who chose to not request a refund on their initial orders could take advantage of a free opt-in program to receive a Pryme Vessyl as a reward for being patient and maintaining their investment with the company.
Additionally, Margaret Rhodes of Wired reported, “Pryme is a powerful reminder of the trajectory our gadgets are on”, “a proof of concept that mining and processing personal data can translate to clear, actionable user experiences.”.