$47.81 - $150 Tue, May 22 8:30 AM Twitter for Business Workshop $5 - $10 Tue, Jan 24 6:00 PM 3rd Annual #MegaTweetup Microsoft NERD, Cambridge $5 - $8 Thu, Dec 16 6:00 PM 2nd Annual #MegaTweetup Microsoft NERD, Cambridge $5 Thu, Dec 3 6:00 PM 1st Annual #MegaTweetup Microsoft NERD, Cambridge