3 ms·A hotel reservation service is certainly world changing.by Finnucane 9y agoA hotel reservation service is certainly world changing.aphextron 9y agoSo is an online bookstore.Finnucane 9y agoSo if a Thiel fellow had started an online bookstore, you’d think that was a big deal?beisner 9y agoParent is talking about Amazon, which started as an online bookstore.