hey everyone, I'm khaled. for four years I was interested in marketing and now I take a step forward to learn digital marketing and I take a course from Udacity and finished the first level and earned a certificate because I pass the first track. hey everyone, I'm khaled. for four years I was interested in marketing and now I take a step forward to learn digital marketing and I take a course from Udacity and finished the first level and earned a certificate because I pass the first track. hey everyone, I'm khaled. for four years I was interested in marketing and now I take a step forward to learn digital marketing and I take a course from Udacity and finished the first level and earned a certificate because I pass the first track. hey everyone, I'm khaled. for four years I was interested in marketing and now I take a step forward to learn digital marketing and I take a course from Udacity and finished the first level and earned a certificate because I pass the first track.