Here are a couple of the main social networks' minimal profile size specifications (in pixels), for illustration:
– Facebook: 180×180
– Google+: 250×250
– Twitter: 400×400
– LinkedIn: 400×400
Use standardised images, headshots, and logos
Declare Your Social Media Presence to the World
Social media and word-of-mouth recommendations go hand in hand. Even if they aren't personally endorsing your company or actively promoting it, your friends and relatives have already done so by liking your page. You may greatly increase your reach just by doing that.
Start Using UpHashtag Recommend Hashtag
Establish a schedule and publish content frequently.