some crude heuristics for now
    most are implemented on bot-side
    with domain whitelists

def _eval_meta_as_summary(meta):
    """some crude heuristics for now
    most are implemented on bot-side
    with domain whitelists"""

    if meta == '':
        return False
    if len(meta)>500:
        return False
    if 'login' in meta.lower():
        return False
    return True