(Reuters) - Facebook Inc (O:FB) said on Wednesday it was expanding the jobs section on its social network, as it looks to compete in a market dominated byMicrosoft Corp 's (O:MSFT) LinkedIn (NYSE:LNKD).

The expansion marks the tool's international rollout a year after it was launched in the United States and Canada.

The tool will now be available to users in 40 countries, Facebook said in a statement.

The company also said it plans to invest about $1 billion (£723.7 million) in its teams, technology and new programs in 2018.