Tech people I follow sure are quiet tonight. #gorangers # Trick or treat! Happy Halloween! (@ Founder's Park) http://4sq.com/b9jPsm # I just unlocked the "Halloween 2010" badge on @foursquare! http://4sq.com/ccVDxl # I'm at Starbucks (3020 Hwy 121 N., at Glade, Euless). http://4sq.com/95vLU7 # Why is there a giant penis on the back if the Giants…