Even if you're happy in your current job, if an interview, recruiter or job offer comes your way, you should at least reply to the message. You may need the contacts later on down the line, or you can use the opportunity to learn what other companies are doing and what skills are in demand.
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When you're secure with your current career path, it can be easy to brush off messages from recruiters or other interested parties. Whether you're contacted by phone, email or messages on social media, make sure to reply -- even just to politely decline. This helps you build connections you can leverage later for business relationships, jobs, or even just to test the waters. For more job seeking tips, check out the full post linked below.