I had missed this announcement, as had my usual sources of news on Zimbabwe:
Use of the Zimbabwean dollar as an official currency was effectively abandoned on 12 April 2009. The Zimbabwean dollar is due to be demonetised (no longer legal tender) by the end of 2015
The Zim $ has a really bad record see:https://en.wikipedia.org/wiki/Zimbabwean_dollar

For some African farmers their former white owners have the answers :https://www.washingtonpost.com/world...c=nl_headlines

As tourists return to Victoria Falls, after a long absence, the cash registers "ring" and then:
..the government has slapped a 15% tax on accommodation occupied by foreigners..
Link (with nice aerial clip):http://www.bbc.co.uk/news/business-34290827

Elsewhere I have seen reports of a swingeing import 40% tax being imposed on imported educational material, pl;us all books. "Get the cash" again.

The reporter lauds the extended runway and new terminal so enabling long range jets to land. Well in 1985 the runway was quite enough for Boeing 707s to happily land; yes the terminal was small and quaint - I was there.

Then President Robert Mugabe managed, even with his staff being diligent, to:
..read out the wrong speech at the opening of parliament.He gave the same one during his state-of-the-nation address on 25 August, when he was heckled by opposition MPs.
Link:http://www.bbc.co.uk/news/world-africa-34256898


Finally from The Zimbabwean Independent's Editor has a short explanation as to what has happened:
Robert Mugabe’s unpleasant experiences of late are increasingly signalling that the end of his imperial rule is nigh; his reign is likely to end in a disgraceful or tragic manner. The imminent endgame is bound to be dramatic.
Link: http://www.theindependent.co.zw/2015/09/18/mugabe-faces-disgraceful-exit/