This, from our colleague Stephen Vickers, who manages the WebCT service.
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After restoring the WebCT service shortly after 4pm today, there has now been a power failure which is affecting both WebCT and the Confluence Wiki. The problem is currently being investigated but it is too early to know when it will be possible to restore these services. Check the IS service status page for the latest updates:
http://www.ed.ac.uk/is/service-status
We apologise for this loss of service and thank you for your continued patience whilst this issue is resolved.
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I guess that we will just have to keep using Twitter for a bit longer. 🙂