"By September 29, 2016, the Search Box gadget on this blog will only present search results from this blog. Search results from pages linked in your posts, from the Web or from the Blog List and Link List gadgets will not be presented anymore." via this blog site
"We recently announced that the Google Feed API would be retired. As a result, the Slideshow gadget will no longer function, and we will remove it from your blog by September 29, 2016."