I’ve used Yahoo! mail since 2007, simply because that’s when my ISP changed their mail hosting from MSN to Yahoo!
I also have Gmail and Windows Live mail accounts but my primary account is Yahoo! hosted. Until recently their webmail UI was pretty awful but I only used when travelling so didn’t really mind.
That changed when they unveiled a new interface which makes Gmail feel old and clunky. That’s backed by a pretty impressive spam filter as seen below. If nothing else it’s a nice way of presenting geographic and numeric data.
In Our Own Words: How Yahoo! Keeps Your Inbox Spic and Span
“We think the technology we’re using to keep your mailboxes safe is quite awesome and we wanted to show you how we do it, so today we’re going live with the Yahoo! Mail Visualization Project – a view of what no one has seen before using live data…how we use cloud computing and Apache Hadoop technology to filter spam and re-route email for the 300 million mail users we have across the globe.
We won’t bore you with the techy details in writing because it’s much more compelling to see…”