Keeping up with industry news and trends does not mean you have to read dozens of resources a day or bog down your RSS reader with too many feeds. Finding just one solid Telecom Blog could mean you will not have to spend an hour reading twenty. Good blogs tend to be part of informal networks that feed into one other, linking important content even if it is not original and sparing you the work of finding it.
The telecommunications industry is overwhelmingly large and complex. Trying to keep up with one of the major corporations can be tough, let alone having a sense of what innovations and ideas are happening at lower levels. You want to read more than just talk of major mergers or advertising campaigns, and a good blog will alert you to interesting developments across the entire spectrum of the industry.
It will also make you look good to your employers and clients when you can quickly cite recent instances of a particular service being changed. A general awareness of current events in the field will give you a surprising advantage over your competitors and make appear to be a genuine expert in your discipline. After all, is that not what you are getting paid to look like?
The best way to find a good blog is by picking and few and seeing how they work for you. One website may have a certain focus that is not of interest to you but links to another that is right up your alley. Spend a few days comparing blogs and figure out where to go from there based on your happiness with each.