It would seem the big OLAP providers are trying to consolidate their positions by buying new products from smaller companies to expand their offerings.
Applix recently bought Temtec to expand their web and dashboarding capabilities and in the last week Cognos has bought Celequest and Hyperion has bought Crystal Ball.
http://www.decisioneering.com/hyperion/index.html
http://www.cognos.com/news/releases/2007/0117.html
