In search of an idiom

Solution 1:

A comparable idiomatic expression would be keep up (with).

I go to interviews to keep up with the current status of the IT business.

Cambridge Dictionary:

keep up (with sb/sth) — phrasal verb with keep; kept ​

to do whatever is necessary to stay level or equal with someone or something:

Technology changes so fast, it's hard to keep up with it.

Solution 2:

have/keep your finger on the pulse ​

to be/stay familiar with the most recent changes or improvements:
The situation changes daily, so you need to keep your finger on the pulse.

http://dictionary.cambridge.org/dictionary/english/have-keep-your-finger-on-the-pulse

A magazine editor has to have her finger on the pulse of fashion.

http://www.macmillandictionary.com/dictionary/british/have-your-finger-on-the-pulse