Farewell FlyingCo

We’ve got brilliant news. Together with our partners Air France-KLM and Delta, we’re improving our corporate loyalty offering and joining bluebiz. Bluebiz is so easy to join, and now it’s even easier to earn and spend rewards on Virgin Atlantic flights. Every flight your business travellers take on bluebiz member airlines will earn blue credits and now from 4th of June you can earn and burn on Virgin Atlantic flights too. Blue credits are worth £1, and can be spent just like cash to cover the cost of future flights providing instant travel budget savings.
As a valued member we’d like to invite you to join, and as a welcome gift, if you enrol in bluebiz and take a flight before 31st December 2019, we’ll give you a bonus of 50 blue credits. Just enter the promotional code VS19 when you register.
We’ll be saying farewell to Flying Co on 1st July 2019. Any flights booked before this date will still earn Flying Co miles, and any bookings with ground partners before 31st December 2019 will earn miles too, as long as travel has been completed by this date. You can continue to exchange Flying Co miles for rewards until 31st December 2020.
In no particular order:
1. I guess this means the end for the Flying Co staff? A shame if so, they're superb to deal with.
2. Does anyone have any experience of Bluebiz?
3. I'd assume any miles not used can't be converted to Bluebiz and must be spent before 31/12/20?