Conversation so far:
When was Generation Y blocked?
On March 26, 2008, Sánchez announced the recent problems accessing her blog appeared to be a deliberate action on the part of government blocking access to her blog Generation Y.
For how long was Generation Y blocked?
Generation Y blog site's issues seemed to be resolved about a year after the site became unavailable.
Who had blocked Yoani Sánchez's blog Generation Y?
Yoani Sánchez said the Cuban government filtered the website from the Internet.

Question: Did they ever give a reason for blocking it?
Self-contained rewrite: Did the Cuban government ever give a reason for blocking Yoani Sánchez's blog?