Wikipedia said that it has blocked more than 300 accounts being used by people being paid to create or tweak entries at the communally sourced online encyclopedia. Weeks of investigation revealed 381 accounts being used at the English version of Wikipedia for "black hat" editing in which people took money to promote outside interests without disclosing they were on someone's payroll, according to a blog post. Wikipedia editors who led the investigation found reason to believe that some tactics used were malicious and might even be considered extortion.
By Roberta Rampton KOTZEBUE, Alaska (Reuters) - President Barack Obama got a taste of the U.S. Arctic on Wednesday, dropping in to two remote fly-in native villages in a journey the White House hopes will show how climate change is affecting Americans. Crossing the Arctic Circle, Air Force One flew over Kivalina, pop. Obama said Kivalina is a harbinger of hardships other parts of the country could face if global warming goes unchecked.