An aerial view the Mount Everest range some 140 km (87 miles) northeast of Kathmandu on January 2011. A renowned British climber has taken Twitter to a new high, firing off the first "tweet" from the peak of world's tallest mountain.

A renowned British climber has taken Twitter to a new high, firing off the first "tweet" from the peak of world's tallest mountain.

Kenton Cool used the terse to plug a slick new Galaxy S II smartphone made by Samsung, the South Korean consumer electronics giant that backed his ninth ascent to the top of .

"Everest summit no 9! 1st tweet from the top of the world thanks to a weak 3G signal & the awesome Samsung Galaxy S2 handset!" the mountaineer said in a sent Thursday.

Nepal telecom carrier Ncell installed a mobile signal receiver at the base of Everest late last year, but it had been unclear whether its range extended to the peak.

A blog post at Cool's website dream-guides.com proclaimed the Samsung Everest climb a success and promised more details as Cool made his way back down.