The second official test is underway in Jerez ahead of the the 2010 F1 season and you can follow the action live on our Twitter Aggregator site JA on F1 Tweets Having listened to the many suggestions kindly submitted by our readers, we have updated the site since last week’s Valencia roll-out. We have added a server due to its popularity, so the site should be faster and updated more frequently. Autorefresh will be added once we’re happy the new set-up is working well. Thanks for all your great feedback – we’ve removed retweets and the search text highlighting as More…