From yesterday, Gmail have newest again. Now, Gmail have Importance markers in Priority Inbox. You can use it very easy.
Method 1:
Open mail, click button + for make important and button - for delete this mark.
Method 2:
Click inbox, select an email (click on the box), then click button + on tab.
Gmail treats these markers like labels, so you can search for messages that are important by using the search operator ‘is:important’.
For more detail, please visit http://mail.google.com/support/bin/answer.py?hl=en-GB&ctx=mail&answer=186535
Method 1:
Open mail, click button + for make important and button - for delete this mark.
Method 2:
Click inbox, select an email (click on the box), then click button + on tab.
Gmail treats these markers like labels, so you can search for messages that are important by using the search operator ‘is:important’.
For more detail, please visit http://mail.google.com/support/bin/answer.py?hl=en-GB&ctx=mail&answer=186535