Hi, i'm building a Tier 1 web 2.0's , along with other platforms, i've some 30+ Tumblr Blogs with PA30+ , i've already created some 10+ blogs for past three days, and have 30+ more to create . I need help, in how to index these blogs ? Can i submit through "Google URL Submit" from one single Google webmaster account ? or can i use multiple GWT account to index them few / days ? Thanks in advance .