February has been an extremely busy month in the world of search. There have been a number of interesting developments during the past month. Need a recap of last month's top search engine industry stories, check out our Top 7 Search Happenings of January 2007.

Here's what's been going on in the world of search during the month of February 2007.

#7. SES London - Search Engine Strategies London which featured a keynote presentation from Google's Matt Cutts.

#6. Yahoo Releases Yahoo Pipes. Yahoo Pipes is an interactive feed aggregator and manipulator where users can use this application by drag and dropping feeds, user input or other pipes as input.

#5. Google opens Gmail up to everyone to use.

#4. SEMPO releases results of their Third Annual State of Search survey. Could search become a $25 billion/year industry?

#3. Google Adds Link Feature to Webmaster Tools - Google offers an improvement for users looking to check their internal and external linking inventories in Google via Webmaster Tools.

#2. Google Pushes Towards Personalization of Search Results - SEOs begin to fear as the focus shifts from a universal search results page to the reality of a unique search engine results pages for each and every user.

#1. Viacom Tells Google's YouTube To Remove Videos and later forms alliance with Joost to offer TV shows and movies online.