Already Slashdotted is Google’s announcement of $750m towards broadband infrastructure in Africa. Headed up by 03b, the project will involve launching over a dozen satellites to provide broadband capacity of African nations along with setting physical backbones and WiMax infrastructure. A customer grab or a purely philanthropic venture? Well, don’t forget Google has put a lot of money into OLPC XOs – and those little devices could certainly take advantage of wireless broadband…