Twitter’s updates include: Headers are customizable and nearly double the size of Facebook. Twitter’s ultra-minimal 160-character format, encourages users to communicate with videos and photos.

Google has begun testing incorporating background headers into some of its search queries. 9to5 reports some bold background headers have begun appearing for some users on some search queries.

To add a header image directly into the Blogger.com blog, you provide a link to the image directly in the coding. The header image must be hosted on an image site. Since Blogger.com is owned by Goog ...

These Google Search background headers are live on the mobile web in Chrome but not the Google app for Android or iOS. This A/B test is not widely rolled out. More about Google Search: ...