is periodically updating the last changed timestamp of a document without changing the content black hat SEO?
37416
Does Google penalize daily updated  tags in sitemaps if the data is not daily updated?
81640
(Google) Title of page not updated, everything else did
54839
How to identify explicitly saved versions when reverting a document?
9209
Automatic date in Google Docs
20646
Best way of showing updated/new year related content
22265
What files get edited when the system time changes?
130798
How to exclude latest x posts from a paginated query?
27043
How to put last modified date in blog post on Blogger?
140257
Firefox 6 Infinite Page Refresh With Page With Hash Tags
17344
Best way to list files in Java, sorted by Date Modified?
128638
How to make the file manager default to sorting by modification date?
92522
I want to test major changes on my website without hurting SEO
143383
Remove blog-like recent content from  page
10940
Is there any way to tell Google to display the updated title instead of displaying the old blog title in search results?
127755
How to get posts published between a date and today?
47557
How do you get a timestamp in JavaScript?
66790
Possible to change time of SO new questions digest?