olemus
poolthäälenupp suhtlusfoorumidel
= the upvote button used in networked forums

ikoon
- ülessuunatud pöial (Facebook jm)
- süda (Twitter)

näiteid
https://duckduckgo.com/?q=like+button&t=h_&iax=images&ia=images

https://duckduckgo.com/?q=twitter+like+button&t=h_&iax=images&ia=images

ülevaateid
https://en.wikipedia.org/wiki/Like_button

https://en.wikipedia.org/wiki/Facebook_like_button

https://www.fastcompany.com/90443108/how-facebooks-like-button-hijacked-our-attention-and-broke-the-2010s

https://firstmonday.org/ojs/index.php/fm/article/view/5505/4581

https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.670.9172&rep=rep1&type=pdf

http://www.digitalcommons.www.na-businesspress.com/JMPP/MarianiR_Web15_4_.pdf

vt ka
- laigipüük
- laigirööv
- vastunupp