One of the most significant technical shifts in 2010 was the introduction of the . This replaced the rigid "Shared Service Provider" (SSP) model of SharePoint 2007 with a more flexible, scalable "a-la-carte" approach. Review: Microsoft SharePoint Server 2010 - Computerworld
A massive evolution of the 2007 Business Data Catalog, BCS allowed users to read and write data to external systems like SAP or Oracle databases as if they were native SharePoint lists. microsoft sharepoint server 2010
Formerly known as Groove, this tool enabled users to take SharePoint content offline and sync changes back later, addressing a major pain point for mobile workers. Core Architecture: The Move to Service Applications One of the most significant technical shifts in