Colin Powell and Bill Gates Join Malaria Campaign

April 22, 2010, Reuters — Former Secretary of State Colin Powell, billionaire Bill Gates and Queen Rania of Jordan will put their fame to work this week as they join a Twitter campaign to end malaria deaths.

Ashton Kutcher, Ryan Seacrest and other Hollywood celebrities have also joined the Twitter campaign. Starting on Wednesday, the participants will send out "tweets" encouraging the public to donate to buy bednets which guard against the mosquitoes that spread malaria in Africa.