I wondered if we could sacrifice one battery for more board space, or if a flat rechargable LiPo would fit under/over a full width board. Just pondering.
Corné van Puijenbroek, one of the founders, used to work for Nanotron.
These folks referenced my Forget-me-not paper. It contains an interesting observation supported by evidence:
Prompting technologies: A comparison of time-based and context-aware transition-based prompting. Available from: https://www.researchgate.net/publication/282248524_Prompting_technologies_A_comparison_of_time-based_and_context-aware_transition-based_prompting [accessed Dec 2, 2016].