Today: British Chamber of Commerce breakfast: 'Hewitt's top companies for leaders global study - Learn from the best'. Hong Kong Club. Canadian Chamber of Commerce lunch: 'PRC companies going overseas using Hong Kong: How to tap this new and large client base?' Kinwick Centre, Central. French Chamber of Commerce seminar: 'Mergers and acquisitions - Innovation and political control'. China Club. Tomorrow: British Chamber of Commerce lunch: 'Sustainability and SMEs: Your company's contribution to a more sustainable future?' Cliftons. Hong Kong Retirement Schemes Association lunch: 'A bubble in Asia? Economic prospects for 2010-11'. Friday, April 23: British Chamber of Commerce breakfast: 'Product liability in China - Do you have all the facts?' Tuesday, April 27: British Chamber of Commerce breakfast: 'China's western regions - Their relevance to the PRC and the global economy'. Hong Kong Club. Canadian Chamber of Commerce lunch: 'Social technologies in business: How much time are people spending on social networks?' Kinwick Centre, Central.