Not a lawyer here either . . . I definitely wouldn't draw attention to myself though by contacting them about it . . . you didn't work there and didn't learn an

Not a lawyer here either . . . I definitely wouldn't draw attention to myself though by contacting them about it . . . you didn't work there and didn't learn anything proprietary so you should be good to go . . . that said I wouldn't launch a similar startup to theirs . . . without consulting a lawyer. But being an employee or launching an unrelated startup should be fine . . . in the future I'd sign NDA/NCA on your first day or when you formally accept the job (this might be the case, or they might be 'NDA crazy' and had you sign one before even interviewing. Good luck in 2015.