I Was referred by a friend at Comcast and the HR Said Resume was good. then i got a call to attend interview at Comcast office directly & it is f2f interview. i came to the office but the arrangement was okay ish, there were like 250+ people, and each people were separated as groups and i was the last person to be interviewed. i was waiting like for 3 hrs patiently and in interview they said like we need 5-7 years exp and i had only 2 then they could have informed me earlier right? then the hr said he applied my resume for wrong position. the hiring manager said i had good skills set but then they could not even send a rejection mail..wasted my day buy walk in interview to Comcast. but the good thing is they offered lunch for all people who came there and people seemed to be nice.