Yes, we know that google automatically scans your gmail emails and then sticks a bunch of "context-sensitive advertisements" next to them. I have in front of me a series of emails between me and my practical criticism students. The content of these mails strays not one whit from arranging suitable times for lessons. That's all. That's all they say.
Google has scanned these innocent mails. The adverts it gives me, based on these mails, are as follows. Should I worry?
User Acceptance Testing
Expert testing and practical advice for websites, systems or products
Krav Maga, self defence
Practical, effective & proven Waltham Abbey, Elstree & Loughton.
Practical training qualification in civil and criminal investigation
The Knight Shop - UK -
Massive range of Swords & Armour U.K. Based Showroom