Discussions can and will pop up anywhere -- that's one of the things we love about social media. From Facebook to Instagram and everywhere in between, no story is complete without the variety of voices adding to the conversation.
The Mashable community is extremely engaged on social media, so for this week's top comments we're focusing on the discussions that happen across all of our social media channels.
You can weigh in on which superhero would win in a fight on our Facebook Entertainment page. If you'd rather talk about professional development topics like the recent LinkedIn @mentions or the best project management tools, you should go to our Fans of Mashable LinkedIn group.
Do you think Bitcoin will eventually replace our current currency? You can weigh in on our Google+ page. To check out Mashable's presence on other social media networks, you can browse through the slideshow above.