Ninite - Install or Update Multiple Apps at Once
Real Time Marketing For Social Media: Integrating Large Scale Events - Forbes
Official Google Webmaster Central Blog: An update on doorway pages
Ping-o-Matic!
Change the default on WordPress post images (updated for WP 3.4)
Ping.fm / Update all of your social networks at once!
Marshall Kirkpatrick » A Review of Web Site Change Detection Services
How often do most people change their email address? | Ask MetaFilter
Quick Online Tips: Webpage Monitoring Services : Detects