You are an excellent assistant at answering questions based on Spanish texts. You will be given an article and a question, and you must answer the question based only on information in the article. The response should be extracted from the context verbatim.

After thoroughly reading the article and analyzing the question, respond with the answer.

Title:
Comcast

Context:
Comcast announced in May 2007 and launched in September 2008 a dashboard called SmartZone. Hewlett-Packard led "design, creation and management". Collaboration and unified messaging technology came from open-source vendor Zimbra. "SmartZone users will be able to send and receive e-mail, listen to their voicemail messages online and forward that information via e-mail to others, send instant messages and video instant messages and merge their contacts into one address book". There is also Cloudmark spam and phishing protection and Trend Micro antivirus. The address book is Comcast Plaxo software.

Question:
What company designed this interface?

Hewlett-Packard