Don't waste your time. Turned them down after I felt they were selling a poor product and mislabeling things. I dropped them and then weeks later they begged me to keep going. Asked me work build a demo for them over Christmas and new years, where I built a fully functioning website (way above just nailing the key requirements). Interviewers had no clue where they wanted to go with things -- no structure at all. Had a great time demoing, was told "this looks great", just to get told a full week later sorry we are not considering you anymore. lol. Just blatantly inconsiderate -- don't beg people to keep going and ask them to do work for you over the holidays.