What is difference between from 1.1 to 4.0

 First Start with difference between .Net 1.0 and 2.0

1. Generics
2. Membership and roles
3. Master pages
4. Sql Cache Dependancy
5. Support 64 bit Application

Next difference between .net 2.0 and 3.0

1. WPF
2. WCF
3. WWF
4. WCS ( Card Space)

Next difference between .Net 3.0 and 3.5

1. Ajax Inbuilt
2. LINQ
3. ADO Entity Framework
4. MultiTargetting

Final Difference between .Net 3.5  and 4.0

1. MEF
2. Parallel Computing
3. DLR Dynamic