Long before geocaching built an entire community, the mailbox was another way to discover the world and connect with others.
Geocaching and postcards both unite humans through shared experiences and turn ordinary places into meaningful destinations. Whether you sign a log sheet or a postcard, you’re connecting with someone through the joy of discovery.
Observed every year on October 1, World Postcard Day celebrates the very first postcard, innovating the world forever. Since 2019, the day encourages people worldwide to write, mail, and exchange postcards to spread joy, connect with others, and celebrate the tradition of handwritten mail.
The mailbox isn’t the only place to find something special in October. Earn the World Postcard Day 2026 souvenir by:
- Attending any event and posting an Attended log from September 27 to October 4, 2026.
- Remember: if you’re hosting an event, it needs to be submitted at least two weeks before the event date and meet all geocaching guidelines.
OR
- Remember: if you’re hosting an event, it needs to be submitted at least two weeks before the event date and meet all geocaching guidelines.
- Finding and logging one Letterbox Hybrid from September 27 to October 4, 2026.
Keep an eye on the Geocaching Blog for World Postcard Day inspiration!
PakarPBN
A Private Blog Network (PBN) is a collection of websites that are controlled by a single individual or organization and used primarily to build backlinks to a “money site” in order to influence its ranking in search engines such as Google. The core idea behind a PBN is based on the importance of backlinks in Google’s ranking algorithm. Since Google views backlinks as signals of authority and trust, some website owners attempt to artificially create these signals through a controlled network of sites.
In a typical PBN setup, the owner acquires expired or aged domains that already have existing authority, backlinks, and history. These domains are rebuilt with new content and hosted separately, often using different IP addresses, hosting providers, themes, and ownership details to make them appear unrelated. Within the content published on these sites, links are strategically placed that point to the main website the owner wants to rank higher. By doing this, the owner attempts to pass link equity (also known as “link juice”) from the PBN sites to the target website.
The purpose of a PBN is to give the impression that the target website is naturally earning links from multiple independent sources. If done effectively, this can temporarily improve keyword rankings, increase organic visibility, and drive more traffic from search results.
