As a Google+ user, how can I change the summary text Google+ shows when sharing a link? Here's an example post where it looks like it's showing the first <div> with a certain amount of text in it, but in this particular example, the <div> is hidden and shown only for mouse-over navigation.
Google+ shows this text as the summary:
The Dark Tower Series Continues. It's been years since the last installation in Stephen King's Dark Tower series, but the wait is almost over. In only a matter of days the new book will be ava...
Which does appear first in the HTML, but the 'real' content (here) is:
Watt's Up!
High Plains Library District, in partnership with Xcel Energy, has added 40 portable Watts Up? meters to the collection. These easy to use meters will help you save energy and make green decisions.