Twitter Twitter

President Obama traveled in the presidential limo with his dog, Bo. Adviser David Axelrod tweeted this photo from the White House Flickr account to tweak the Romney campaign. Pete Souza/White House hide caption

toggle caption
Pete Souza/White House

A screengrab shows Google's new search feature, in which results from a user's Google+ community are promoted at the top of the page. NPR hide caption

toggle caption
NPR