demon project on WCF

Hello friends .

 

                            i am new in WCF Technology .i have read article ,books and tutorial  of WCF .Now i want to gain some practical  knowledge .So i want to develop one demo project .So i expected my senior to that they will me suggestion that which scenario (or/ give me scenario)  should i develop demo project .

 

 

Regard  Lalit Raghav

 

Hope you will reply me