'Typing Difficxult': Climber Tweets From Everest

He calls it the "highest blog in the world": Gavin Bate, an Irish mountain climber, has been scaling Mount Everest for the past month, sending 140-character updates on his progress via Twitter. Today he's expected to reach the summit, where he'll try to post several sponsored tweets to raise money for a development charity, TechCrunch reports.
(More Twitter stories.)