The always impressive Opera web browser turns 15.
http://lifehacker.com/5231469/remains-of-the-day-happy-15th-birthday-to-opera-edition

Thnx u so much Opera for Inventing Tab Browsing :)

Suddenly I feel older! Wow.

Did you see opera.com yesterday?

It looked like this with animated GIF's:

http://ajaxian.com/wp-content/uploads/opera.png

http://www.webmasterworld.com/opera_browser/3902522.htm
http://ajaxian.com/archives/happy-birthday-opera

Ahh here's the permalink to the "classic" Opera homepage that they had up yesterday: http://www.opera.com/?flashed=0

SocialStream:
NetCaptor was the first to invent Tabbed Browsing.
http://www.netcaptor.com/
http://en.wikipedia.org/wiki/NetCaptor

Borland's Delphi IDE offered tabbed browsing of source code and documentation long before any web browser did.