Why new Gmail is way better than Outlook.com
It all comes down to spam. Oh, and noise.
See, while Microsoft keeps attacking Google for having algorithms look at your email (Microsoft claims that's done to show you ads) Google keeps improving its algorithms.
All I have to do is look at my wife's Outlook.com account to see what's wrong: there's a LOT more spam in her inbox than on either her or my Gmail account. This is also verified by looking at other people's accounts too. Gmail's spam filtering is far superior, which really matters when you are someone like me who has made their email address public.
My public account gets 300x more spam than my wife's Outlook.com account, but less of it, far less, shows up in my inbox. That's superior.
But that was before today. Today everything changes with the addition of a new inbox. One that filters out your promotional emails, your social emails, your updates, and emails from forums and newsgroups to separate folders.
This dramatically cleans out your inbox. My Promotion folder, alone, has more than 7,000 emails in it.
One thing: you can help this feature get better. Drag emails that match the folder in and the whole system gets better (take false positives out and it also learns from that).
Outlook has no noise filters like these. It isn't even close. This dramatically will make you more productive.
One caution: for the first few weeks you really need to look inside all of these folders and, even, spend some time training these filters in case you have some false positives (things might get thrown into these folders instead of your inbox that you'd rather have in your inbox). In my experience these things do learn eventually and do get better every month (this feature used to be for early adopters and was part of Gmail's labs. It was previously called "Smart Labels.")http://gmailblog.blogspot.com/
has more info.
Speaking of which, this is a gateway drug to several other apps that I use, which also show why Gmail has turned into a platform -- something that Outlook.com hasn't yet turned into:
OtherInBox. Does similar noise filters, but is even better and more complete.
SaneBox. Same as OtherInbox. I use both, because they both catch different things that Gmail's new filters don't catch. Sanebox also puts low priority email into its own inbox, which I find useful since I already can't answer all the email that's coming in.
Unroll.me. Removes you from subscriptions. Dramatically reduces the flow of low-value emails to your inboxes.
Mailstrom. Helps me clean out my inbox by showing me email by person, or by other things.