Chrome: Save yourself from clicking through thumbnails links just to peek at the bigger picture. Hover Zoom automatically enlarges thumbnails to their full size without clicking through. More »
Chrome: If you like how Apple Mail adds sender's pictures to messages, or you're just better with faces than names, the Gmail Sender's Picture is a no-brainer. It simply inserts a person's Google Profile pic into your Gmail conversations with them. More »
If you haven't received the update yet, you can force a check by clicking the wrench menu and then "About Google Chrome." Downloads are also available from Google's early access channels page.
It's not without bugs, though. @keshav and I have both had a glitch which seems to occur when using win+d to show the desktop where tiny windows will appear along the top of your taskbar (pic after the jump).