Maybe you'll be interested by the topics mostly read on my blog.
The number in front of the titles are the number of hits:
9007 Delphi XE5 to develop Android applications
5509 Automate Microsoft Office from Delphi
2612 Delphi XE4 and AnsiString
2528 Multithreading and PostMessage performance
2498 Inter Process Communication Using Pipes
Of course some articles are older than other so the counts do not exactly reflect interest.
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