Mobile Phone optimized web pages

One of the biggest problems which a person faces while surfing the internet from their mobile phone is to find a web page that has been optimized for mobile phone screens. Having personally realized this pain, I've with a round up of web services which are optimized for use on Mobile Phones.

I know there are lot of other web sites which are optimized for mobile phones. So, I would be updating the below list periodically.

Also, please feel free to let me know if you've come across other websites which I am missing in the list below.

Web Mail:
Yahoo!
Mail - http://m.yahoo.com/mail
Gmail - http://mobile.google.com/gmail

General News:
Google News - http://mobile.google.com/m/news
The New York
Times - http://mobile.nytimes.com/
BusinessWeek - http://businessweek.mobi/index.jsp
Reuters News - http://mobile.reuters.com/mobile/m/Home

Technology News:
Mini-Techmeme - http://www.techmeme.com/mini
Technorati - http://m.technorati.com/
Zdnet
news - http://m.zdnet.com/

Social Networking & Blogging:
Facebook - http://m.facebook.com/home.php
WordPress.com
Blog - http://m.wordpress.com/
Twitter - http://m.twitter.com/home
Jaiku - http://m.jaiku.com/

Search & Other Indexing:
Google mobile search - http://mobile.google.com/search
Wapedia - Mobile
Encyclopedia - http://wapedia.mobi/en/
Technorati - http://m.technorati.com (Famous Blog Indexing service)

RSS Reader:
Google Reader - http://www.google.com/reader/m/view/
Newsgator - http://m.newsgator.com/


Chat Client:
Y! Messenger - http://mm.yahoo.com/?Referer=yahoo&card=d&Referer=internal

Photos & Videos:
Picasa Web - http://picasaweb.google.com/m?source=mobileproducts&pli=1
YouTube
Mobile - http://m.youtube.com/

Others:
Google Mobile services - http://mobile.google.com/
MSN Mobile - http://mobile.msn.com/device/en-us/default.aspx