Google is gradually rolling out the new-look Gmail to all users. The changes touch the customization of the mailing service. By mistake Google made public the video about the new features last week but the changes were officially announced yesterday in a blog post that also has an upgraded look.

Now users can drag sidebars around to the preferred size and width, choose from a wider selection of high-resolution pictures for ‘themes’, and decide how many mails they want to see on a page choosing email density between Comfortable, Cozy and Compact.

Gmail fans will also enjoy a new Advanced Search function designed to help users find exactly what they search for in seconds. In addition, users can now view people they correspond with as the profile pictures are added. The new features will be opt-in.

“If you like what you see, over the next few days you’ll be able to switch to the new look by clicking on Switch to the new look in the bottom-right of Gmail,” writes Google user experience designer Jason Cornwell.

Google also announced yesterday it overhauls its RSS service, Google Reader. This was made to drive more users to Google+. Some Reader’s features such as friending, following, sharing items and comments were eliminated in favor of similar Google+ functionality. The news met a strong protest among the Reader active users in the US.  A group of fans called the ‘sharebros’ wrote a petition in which they asked Google to revert the Reader its old look and the paper has already 10,000 signs, says Ad Week.

Iranian users also protest against the new Google’s move as Google reader is the most visited website in Iran, where most social networks, blogs, and international news channels have been banned. To get around those restrictions, many Iranians use Google Reader to share restricted information.