eBay Founder Pierre Omidyar and his wife Pam have committed more than $1 billion to hundreds of causes.

Hunch surveyed 70,000 users, almost two-thirds of which have purchased or sold items on eBay.

The updated app simplifies shopping and lets auto fans seamlessly share with friends and access fresh content.

eBay CEO John Donahoe noted that eBay Inc. can help retailers respond to changes in how consumers shop and pay.