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I'm not specialist for security and I don't know very well about google authentication mechanism.

However, recently, many web sites use google authentication mechanism. It is good idea because the site administrator does not need to have clients' passwords. And, I also like using the services onto many web sites. It is for not only security but also easy to make new accounts.

However, some sites are support not only for desktop/ laptop service but also mobile clients. Yes, I also want to use there services from my mobile phone. However, in many cases, I need to input my login name and login password onto the mobile clients. Well..... I thought I don't need to input any password when I want to use there services, because I use google account. And, I don't have any password on the server, because I didn't create any password....

I think the mechanism is worth than not to use google account. Because some people who has no interest in computer use same passwords on many web site. If the site will get attack by malicious person, then he will lose not only the site account and data but also google login account. (Lose or have problem....) It is double attacked~_~;;;;;

And when I want to make password onto the site, there is so complex to find the place where I can set up my new password.... And..... I can not remember there passwords.......ToT

Well.....This blog got 30M people of access at last weekend since I made this blog. I was so surprised. Because I just started to write this blog for my hobby and for using english. Thank you so much for coming this blog.


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Basically, most rail lines on mid-tokyo are as subway or elevated railway. So, it made my so surprising, when I saw it. 
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Following photo is another tram station.

I saw several tram on the railway. Most of them are painted with different line (maybe...) This tram is named Toden-Arakawa-Line. This line is for Waseda University. I could not take the tram, becase I rode my bicycle. However, I will take the tram on some day.

Following river is River, Kanda. The river is used on some old japanese song.