Regarding low liquidity for Smartcoins/MPAs on the Bitshares platform:
https://steemit.com/bitshares/@linouxis9/liqbot-0#@cm-steem/re-linouxis9-liqbot-0-20160812t162033692z

https://steemit.com/gridcoin/@cm-steem/brainstorming-new-boinc-projects-anyone-can-create-a-project-and-reward-their-users-with-gridcoin#@cm-steem/re-cm-steem-brainstorming-new-boinc-projects-anyone-can-create-a-project-and-reward-their-users-with-gridcoin-20160812t153824382z

TL;DR: Liquidity bot software could be a potential BOINC work unit..