/ http://www.slideshare.net/images/logo.gif / 際際滷Share feed for 際際滷shows by User: hannavanya https://cdn.slidesharecdn.com/profile-photo-hannavanya-48x48.jpg?cb=1535603160 i may rarely active in this site, so if you find yourself hard to have a communication with me, i'm on my twitter @vanyaynav p.s.: sorry Mark but i'm not betraying you by rather using Jack Dorsey's invention ;))