.NET 3.5 expands support for various distributed mobile application including WCF technologies
New Language feature LINQ.
In ASP.NET 3.5, AJAX enable website. ASP.NET support AJAX development with a set of server controls and API's.
New Data controls like Listview control.
New DataSource controls - LINQ datasource.
coined term for two powerful browser features that have
been around for years, but were overlooked by many web
developers until recently when applications such as Gmail,
Google Suggest, and Google Maps hit the streets.
LINQ: (Language-Integrated Query)
WPF: (Windows Presentation Foundation): it is a
presentation susystem features of the .net framework3.0.it
is 2D and 3D graphics engine
WCF: (Windows Communication Foundation):-- it is an SDK
for developing and deploying services on windows, wcf
provides a runtime rnvirenment for services , enabling to
expose clr types as services and to consume other services
as clr types
WF: (Windows Workflow Foundation)