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MyBlogLog is getting ready to further integrate with Yahoo, merging the two accounts. This will of course simplify login issues for MyBlogLog, and is an expected procedure for Yahoo subsidiaries. The merge is expected to take place around this time of the week.
You will need to re-upload your avatar image as MyBlogLog will now be utilizing the Yahoo image uploader. So a larger, higher resolution is required for all MyBlogLog members. Another benefit of this merger is that MyBlogLog will now load faster. Lastly, you'll also be able to pick a new screen name, which can also be changed at any time. This is similar to MySpace and Facebook screen name options (to some extent) in that more than one person can have the same name.