Miksi reitittimen takapuolella on QR-koodi?

{ "it":{ "linkedin":"https://www.linkedin.com/company/strong-italia/", "tiktok":"https://www.tiktok.com/@strong_italy?is_from_webapp=1&sender_device=pc" }, "es":{ "linkedin":"https://www.linkedin.com/company/strong-iberia/posts/?feedView=all", "facebook":"https://www.facebook.com/profile.php?id=61564602097692", "tiktok":"https://www.tiktok.com/@strong.esp?is_from_webapp=1&sender_device=pc" }, "fr":{ "linkedin":"https://www.linkedin.com/company/group-strong/?viewAsMember=true", "facebook":"https://www.facebook.com/StrongGroupEU", "tiktok":"https://www.tiktok.com/@strong_france" }, "en-uk":{ "linkedin":"https://www.linkedin.com/company/group-strong/?viewAsMember=true", "instagram":"https://www.instagram.com/strong_uk_official/?igsh=cnBxcHN3eXk2ZXB4#", "tiktok":"https://www.tiktok.com/@strong.uk" }, "de":{ "linkedin":"https://www.linkedin.com/company/group-strong/?viewAsMember=true", "tiktok":"https://www.tiktok.com/@strong_deutschland" }, "pt":{ "linkedin":"https://www.linkedin.com/company/strong-iberia/posts/?feedView=all", "facebook":"https://www.facebook.com/profile.php?id=61564602097692" }, "pl":{ "linkedin":"https://www.linkedin.com/company/group-strong/?viewAsMember=true" }, "sk":{ "linkedin":"https://www.linkedin.com/company/strong-cz-sk/", "facebook":"https://www.facebook.com/profile.php?id=61564217729478" }, "cs":{ "linkedin":"https://www.linkedin.com/company/strong-cz-sk/", "facebook":"https://www.facebook.com/profile.php?id=61564217729478" }, "nl":{ "linkedin":"https://www.linkedin.com/company/group-strong/?viewAsMember=true" }, "Default":{ "linkedin":"https://www.linkedin.com/company/group-strong/?viewAsMember=true" } }