- of

30 percent
of job candidates are scratched for negative information about them online. Be positive.
Hashtags are Key
The pound (#) sign aggregates tweets relating to a topic. Search tweets by using keywords #resumes, #networking, #jobseekers, etc.
Leverage Your Bio
You get 160 characters, 20 more than a tweet. Be specific: "Created million-dollar app" says more than "accomplished software developer."
75/25
is the optimum professional/personal ratio for tweets if you're using Twitter as a career-building tool.
15
is the minimum number of tweets per week you should post to maintain appropriate visibility, or TwitterCred.
20
is the maximum amount of tweets you should send in a day - lest you annoy your followers by dominating their Twitter stream.
Focus on BVP
Your "Branded Value Proposition" is what you bring to employers. How can you help them make money? How can you enhance their culture?
Link to Smart Industry-related Articles
It makes you look authoritative even if you didn't write them.
Build Communities
Use Twitter's directories to create communities of shared interests. Follow others in your field, share ideas, express appreciation.
Take the Process Offline
"Tweetups" are face-to-face opportunities with professional contacts made on Twitter.
Get Retweeted
Retweets elevate your professional value. Don't be shy. Ask "Please retweet" or "Please share" within a Tweet.
Give and Receive
Your chance of retweets grows if you do the same for your followers. Be generous and you'll be rewarded.
Work the Calendar
Mondays and Fridays are the most popular days for tweets to get retweeted, so save your best stuff for then.
Work the Clock
3:30 to 6:30 p.m. ET is the peak time range for retweets.
Companies actively recruiting on Twitter include:
IBM, Apple, Microsoft, Google, ADP, Intel, Raytheon, Razorfish, Verizon
.