The light bulb moment came when the team attended a conference a few weeks ago and saw the demand for participants to be able to quickly share their schedules with each other, but also with the groups hosting events throughout the gathering.
Analysts and industry watchers have been speculating for some time that Nokia would (or at least should) open itself up to the possibility of hosting third-party software on its phones in a bid to recapture its narrowing share of the smartphone market.