Summary: Google algorithm update from October 2005 was called Jagger. The Jagger update has had a serious effect on the way companies use search engine optimisation to influence ranks. Keywords: search, engine, optimisation, seo, weekly, google, yahoo, yahoo!, msn, mns, goggle, gooogle, googl, optmization, sem, se, advertising, ads, online, internet, adwords, overture Article Body: This week we...