Can we draw the following hypothesis from the context? 

Context:

Last week articles from our linux.conf.au speaker series and Kevin Sonney's open source tools series were big hits with readers. Would you like to get started writing for Opensource.com? It's easy. Drop us a note with your article idea and outline: open@opensource.com. Stay up on what's going on with Opensource.com by subscribing to our highlights newsletter.

Hypothesis: You can subscribe to our newsletter for the latest updates on Opensource.com
Yes