infoholic Yup, I can dig into frozen ground as hard as concrete. The scoop has special blades and a powered "rasp' to scrape ice. Cool! Whoever thought a Nasa spacecraft could be so adept at social networking and internet? For users of Twitter, a web microblogging service, the Phoenix Mars lander has been sending pithy news "tweets' to the cellphones and computers of interested "followers.' As of Friday night, the Phoenix lander had 9,636 followers at Twitter. According to twitterholic.com, it ranks No. 30 among all Twitter feeds in the solar system.