===Justification of Deliberation===Deliberation systems have three main functions, according to the the writers of Deliberative systems<ref>Parkinson, J., & Mansbridge, J. (Eds.). (2012). Deliberative Systems: Deliberative Democracy at the Large Scale (p. 204). Cambridge University Press. p.10-12</ref>. The three are ''Epistemic'', ''Ethic '' and ''Democratic''. On the epistemic consideration, It should produce well informed decisions. In the ethic side, deliberation creates more bonding between citizens. In the democratic perspective deliberation should take into account inputs from wider prompt ions opinions of the population, when making decisions<ref>Parkinson, J. ===On using Experts in Deliberation===Although experts are sometimes crucial for deliberation, & Mansbridgebecause they hold more corroborated [[SON]], Jthere are some concern that should be addresses when expert are taking part in a deliberation. (Eds.)Expert may harm deliberation in those aspects:* Epistemically, delegation of deliberation to expert can promote citizen ignorance. * Expert themselves can be biased (2012)as was suggested by Loerenz et al. Deliberative Systems<ref>[http: Deliberative Democracy at the Large Scale (p//www.pnas. 204)org/content/early/2011/05/10/1008636108. Cambridge University Pressfull. ppdf Lorenz et al.10-12, How social infulence can underminr the wisdom of the crowds effect, 2011, PNAS]</ref>.)