$1$ Crowdsourcing

Knowledge system

$2$

$3$

Reputation system

Open$-$source system

Match each of the options above to the items below.

Software whose source code is made freely available $($not on a fee or licensing basis, as in ebusiness$)$ for any third party to review and modify

Supports the capturing, organization, and dissemination of knowledge $($i$.$e$.,$ know$-$how$)$ throughout an organization

Where buyers post feedback on sellers

The wisdom of the crowd