While LinkedIn continues to dominate social recruiting at 93% adoption (up from 87% in 2011 and 78% in 2010), Facebook and Twitter saw bigger growth margins in the past twelve months.

Here are some more results from the Jobvite 2012 Social Recruiting Survey:

• 2/3 of recruiters now use Facebook, a jump of eleven points from 55% in 2011. With more than 900 million users, employers clearly want to tap this huge talent pool.
• For the first time, more than half (54%) of recruiters now use Twitter for their talent search, revealing the importance of watching what you tweet.
• oughly 2/3 (65%) of companies seek to increase employee participation in recruiting by offering referral bonuses; of those, 43% offer rewards of more than $1,000.
• 30% of survey respondents consider themselves strong or exceptional at social recruiting, while another 41% rate their skills as moderate. Just 4% say they’re non-existent.