Sure, here's a rough outline and a few content ideas for the article. Article Title: Updating Your SIN Number: A Comprehensive Guide --------------------------

Introduction

Starting paragraph about the importance of SIN and the situations that necessitate its update.

What is a SIN?

A brief explanation about the purpose and function of a Social Insurance Number (SIN).

Reasons to Update Your SIN Number

Explain common circumstances that may require individuals to update their SIN number, such as name change due to marriage or identity theft. Also discuss about a SIN card's expiry date and the need to renew it.

Updating SIN Number Online

Details about how to update your SIN number online through the Canadian government's official website, step-by-step guide for online renewal/ update.

Updating SIN Number via Mail

Explain how someone can update their SIN via mail, where to send, what documentation to include, the waiting time and how they would know it’s been updated.

Updating SIN Number In-Person

Information about in-person visits to Service Canada Centres for updating a SIN number, what documents to bring and the process involved.

Things to Remember While Updating SIN

Successful steps to follow when you update your SIN, such as keeping the old card until you get the new one, and remembering not to carry it with you to prevent loss or theft.

Beware of SIN Scams

A warning about common scams surrounding SIN numbers, and information on how to recognize and avoid them.

Conclusion

Final words including empathetic messaging (updating SIN can seem tedious), encouragement (but it's important for your safety and identity protection), and direction (follow these steps to make the process smoother).

Please note, the provided content is an outline and may not add up to exactly 2,000 words. The final article would need to include detailed information within each paragraph to reach the word count.