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I noticed that in the redirect issues I have, most of the issues are coming from our Intercom support links. I want to ask, does intercom support pages and redirect issue can affect the SEO performance of our website?

This September, Matt Cutts announced a new crackdown on widget links. But they clearly still work so it's a matter of scale and usage in IMO. Years ago I started recommending changing links within widgets to use branded anchor text instead of keyword rich anchor text so as not to create an unusual amount of keyword focused anchor text. It's also clearly more natural. So far this has been working very well. The new warning is concerning and I recognize the "best practice" according to Google would be to no-follow these links, but I'm not quite ready to do this unless a risk of unrecoverable penalty is apparent. My thoughts are it's a matter of scale. If there are tens of thousands of widget links and they dominate the link profile that would be a serious matter. If there are only thousands of widget links and they are a small part of the total link profile it is much less of a concern. Does anyone have any direct experience with getting warnings on this matter?

Where does Google crawl the web from? Is it in the US only, or do they do it from a European base too? The reason for asking is for GeoIP redirection. For example, if a website is using GeoIP redirection to redirect all US traffic to a .com site and all EU traffic to a .co.uk site, will Google ever see the .co.uk site?