Following Facebook’s $1 billion acquisition of Instagram, it looks like the company has no intention of slowing down. According to a report from Pocket-lint, the social networking giant may be looking to enter the Web browsing market by purchasing Opera Software. The move would put Facebook in direct competition with Microsoft and Mozilla, and it would certainly apply increased pressure to Google as well. Opera’s mobile browser has seen strong growth in recent years, however the same cannot be said for its desktop version, which lags far behind Chrome, Internet Explorer, Firefox and Safari. A Facebook browser could potentially allow users to stay up to date with their social life using built-in plug-ins and features integrated into the browser’s UI.