ElReg had three articles on this and was quite probably instrumental in stopping that fundraising campaign early, after showing that the takings had already exceeded the Wikimedia Foundation's publicised target by several million dollars.
The articles are here:
1. https://www.theregister.co.uk/2016/12/16/jimmy_wales_wikipedia_fundraising_promise/
2. https://www.theregister.co.uk/2016/12/19/jimmy_wales_breaks_promise_more_chugging/
3. https://www.theregister.co.uk/2016/12/30/el_reg_just_saved_your_wiki_xmas/