Legally, clicking "I agree" generally counts as acceptance regardless of whether you read the text, as long as the terms were reasonably made available to you — courts have repeatedly upheld this, since requiring companies to prove each user actually read every clause would make routine contracts unworkable at scale. Some especially unfair or hidden terms can still be challenged and struck down later (a principle often called "unconscionability"), but the baseline assumption is that clicking agree means you accepted what was offered, read or not.