Very cool! Another application that is great for collaborative prototyping is precursor [1]<p><a href="https://precursorapp.com" rel="nofollow">https://precursorapp.com</a>
This is fantastic.<p>I don't understand why this did't go bigger on HN.<p>(Maybe because missing shapes?)<p>Might consider posting to Product.<p>Let me know if you do and I'll add my voice (jv at vip dot ie).