The last few hours in links :) (December 19th, 2011 from 04:55 to 10:24) These are my fantastically selected links for December 19th, 2011 from 04:55 to 10:24: Let there be light! – NASA May Have Found the Smallest Known Black Hole – Reports: Renegade iPhones get a speed boost on T-Mobile – Health Organizations Go Social – 5 Tips for Injecting Personality into Your Online Presentations – Twitter receives $300m investment from Saudi Prince –