After the logo change, Yahoo! made another re-design. This time the mailbox have changed! I think is the third interface change on the last years. Lot of petitions are open to bring back the old design. If you are also not satisfied with the new Yahoo! design, there is a trick how to roll back.
Google launched a new concept for Gmail Inbox. Tabs, which lets you control better your email separating your inbox in sections. All social email with be grouped, promotions emails, forums or subscriptions alerts. Now reading email is much better on Gmail.
Interesting facts about Wikipedia are represented in this Infographic. 27 Million pages of content, 91% are male and students use more Wiki than Libraries.