Jeff Winner

This is an interesting look at some of the side effects of the quarantine.

I found this pandemic analysis to be quite compelling.

@joshelman @eckart and @cardspring team are insanely good. I'm stoked to be working with them!

Twitter Offers launches today. Congrats to everyone for all the hardwork. cnbc.com/id/102217042?t…

Super happy to announce that Twitter has just launched our commerce experience. techcrunch.com/2014/09/08/twi…

Welcoming CardSpring to the Twitter team blog.twitter.com/2014/welcoming…

My new company just launched. cardspring.com