With internet users of all ages accessing mobile and desktop services, a broad swath of login education is needed.

ENGADGET: Editorial: Countering ID theft requires better awareness campaigns

According to the Yankee Group, more than half of all teens between the ages of 13 and 17 are active users of wireless text messaging, sending blurbs using the "SMS" short message service.

FORBES: Just Speechless

Its tremendous popularity and engagement among creators, curators and audiences of all ages brings a significant new community of users to the Yahoo!

FORBES: Promising 'Not To Screw It Up', Yahoo! Acquires Tumblr For $1.1 Billlion