However, this convenience comes with a price.
Algorithms
often require access to personal data, sparking privacy
concerns.
often require access to personal data, sparking privacy
concerns.
Furthermore, while they provide content that
suits our preferences, this can narrow our exposure to
diverse perspectives.
suits our preferences, this can narrow our exposure to
diverse perspectives.
Even with identical search terms,
algorithms personalize search results.
algorithms personalize search results.
This raises
concerns that algorithms may hack into our thoughts
and behaviors!
concerns that algorithms may hack into our thoughts
and behaviors!

Furthermore, while they provide content that suits our preferences, this can narrow ~.
they는 앞 문장의 algorithms이고, this는 바로 앞의 ‘알고리즘이 우리의 선호에 맞는 컨텐츠를 제공하는 것’을 지칭한다.
For instance, when you’ve argued with someone and need to recall that argument later, you are most likely to remember parts of the argument that made you angry, and you may even make up memories that did not actually happen.
<be likely to +동사원형>은 ‘…할 가능성이 있다’는 의미이다. 첫 번째 that은 parts of the argument를 수식하는 주격 관계대명사이고 두 번째 that은 memories를 수식하는 주격 관계대명사이다.
If it does not, the person will throw it in the waste bin.
does not은 ‘즉시 사용할 수 없다’라는 뜻으로 뒤에 have an immediate use가 생략되었다.