Hanson has collected more than £1,000 for the charities, a sum Computacenter will match, from posting tweets on twitter. To find out more follow Chris on Twitter.
Hanson said he got the idea from his childhood when he used to go to the square to feed the pigeons. "Now that you can't do that, I thought I'd use Anthony Gormley's
One and Other show to feed the children and publicise our charitable work," he told Computer Weekly.