Selenium is a new generation automation testing tool to automate web based application/ Mobile application. It is also a core technology in other many browser automation tools, APIs and frameworks. In the current world, manual testing is getting obsolete, because of the time to market hence companies are looking for technical professionals who can handle Automation efficiently which result in cost reduction.
Selenium is a open source tool, which is evolving day by day with the help of automation experts. Hence tool has a bright future in coming days.