Analyze the valence intensity of the tweeter's mood conveyed in the tweet "How do you feel about @Snapchat new feature #SnapMap 👎👍❓ #twitterpoll #polls #vote #Poll #Snapchat  #twitter #tech #technology". Offer a real-valued score ranging from 0 to 1, where 1 indicates the most positive and 0 indicates the most negative sentiment.