It is rather difficult to decide what to read, what is obsolete, and so forth.
How does one stay up-to-date on modern philosophical thought? Are there journal apps which show new essays, articles, studies, etc.?
Perhaps the ideal app is this philosophy stack exchange that we are currently using.
Although the people who participate here need not be professional philosophers they do provide some insight and the content is focused around questions and answers rather than forum-style discussions. By actively participating one can stay motivated to continue learning. Search for topics using the available tags.
Here are questions that I have asked the professional philosophers on this site:
Here are some useful online encyclopedias (listed in order of my perception of difficulty):
Here are places to get books some of which are free:
I am hoping others will mention resources I am unaware of.