In Cordas v$.$ Uber Technologies, Incorporated,$228$ F$.$Supp. $3$d $985($N$.$D$.$ Cal. $2017),$ the case in the text, the court held that:

Uber$$s arbitration clause was unenforceable because it did not require an affirmative assent from its users.

Uber$$s terms and conditions constituted an enforceable browsewrap agreement.

Uber$$s arbitration clause was enforceable because Cordas affirmatively acknowledged it$.$

Uber$$s arbitration clause was enforceable because Cordas downloaded the app voluntarily.