SSL is the standard security technology for establishing an encrypted link between a web server and a browser. This link ensures that all data passed between the web server and browser remain private.
The Google search boost for using certificates applies to all sites, whether they have personal information or not. You can still get SEO benefits by installing an SSL Certificate on your site.
Getting an SSL Certificate is becoming imperative and the SEO boost is immediate. With Google making a push to encourage a safer Internet by giving an SEO ranking boost for sites using SSL, now is the time to buy an SSL Certificate for search rank boost.