If you are using RSS Graffiti to automatically post your Zap Calendar Events to Facebook, you will be saddened to hear the service has been shut down.  You will no longer be able to automatically post Zap Calendar events to Facebook using this service.  Here is the statement from the RSS Graffiti web site:

To the RSS Graffiti Community:

We are proud of the product we have offered over the past few years, but despite our best efforts to build a business, we have failed to make RSS Graffiti into a viable enterprise.  Here are the numbers:

• We currently power over 300,000 Facebook pages;
• Only about 500, or less than 0.25% of clients see enough value to pay for the service;
• The cost of powering this infrastructure is much higher than the revenues we are generating, and from the time the product was launched it has lost a considerable sum of money.

Given the above, it has become clear that the product is not sustainable.  As a result, we will be discontinuing the RSS Graffiti service effective April 30, 2015.

As of May 1, 2015, RSS Graffiti will no longer be available on either a free, or paid, basis to power Facebook automation for you.

Please ensure that you transition your account to an alternative service provider before April 30, 2015.

Thank you for your support over the years.

The RSS Graffiti Team

We are looking at other methods of automatically posting events to Facebook.  You can still manually post Zap Calendar events to Facebook by using the Social Like plugin or copying and pasting the event URL to your Facebook status.