colin kroll and rus yusupov. colin kroll, the engineer, was the big visionary, the one that saw the opportunity for this app and this long-term vision for how social media could change. >> we run in ec2. we're written in python. and we use a slew of open source technology. >> and rus was product designer and kind of the manager. >> i was just writing a bit of a bio. >> he was the one who could actually make it all happen, get all the pieces moving in the right direction and make sure the infrastructure was ready so people could share their creativity. >> if you see me now, tap on your screen. let me know that you guys are here. >> around may of 2012 we set out to make creating and sharing videos on mobile really fun and really easy. because at the time it was dreadful. and we knew there was a better way. >> twitter bought vine for a reported $30 million. >> colin kroll and rus yusupov