Google Chrome Extensions/Apps have ad? Posted by whathell1x on August 5, 2012 01:48 am 1 Move your mouse over some apps or extensions on Chrome WebStore like Feedly, Wave Accounting,... you will notice there's an icon "AD", but i don't know what that's for. There is 1 Comment. Load 'Em Up. Show speed reading tips and settings Shortcuts to mastering the comment thread. Use wisely. C - Next Comment X - Mark as Read R - Reply Z - Mark Read & Next Shift + C - Previous Shift + A - Mark All Read Comment Settings Live comment alert: Hide it! Comments for this post are closed.