

{ Thanks, Andrew and David. }
You're not working on one product, you're not saying "we're one company, vertically integrating and making one product and we're going to focus on one market and we're going to try and meet that particularly need." But instead, the idea is that there's a common problem that every company that wants to succeed in making computing better, making computing mobile has and that's the fundamental platform problem. We're not only going to try to find a way to get everybody to benefit from it, we're going to do it for free. We're going to work on building this common tide that rises all boats.
Combined list - Merges your subscriptions, friend activity, and recommendations into one easier-to-scan list
Don't miss a video - If a channel uploads 4 videos in a day, you'll see all 4 - instead of just the latest video
Delete anything - Hover over any video you don't want to watch and click 'x'
Or just grey it out - Videos you've already watched will be greyed out - so even without deleting, you'll know where you left off
Help me re-find stuff I just watched - Your homepage will include your recent likes and favorites so you can easily get back to them
Easy inbox - Links to your inbox (personal messages & comments) are front and center
Load much more - Watch older videos - all without leaving the homepage
It IS odd. And yet, both the checkbox and the menu part tested very well in the lab. The people who hated the widget outside the lab also understood how to use it but promised others wouldn't b/c it was so "weird."
We tried a few things (like putting the select actions under "More actions") but I didn't have high hopes for any of them except the widget that launched. It tested better than I had hoped (all of the participants in the usability study were able to select all, unread, and none). We launched it to all Googlers months ago and listened to feedback (everyone was able to figure it out... some just hated the change).
More about why the change: The "Select all" link is used by <1% style="font-weight:bold;">I wanted to simplify the interface and give back that space to users.