Google Scholar indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines.
ORCID offers an open and independent registry intended to be the de facto standard for contributor identification in research and academic publishing. The ORCID iD is a nonproprietary alphanumeric code - a persistent digital identifier - to uniquely identify scientific and other academic authors and contributors.
LinkedIn details the work experience, education and training, and skills of professionals. It is basically an online curriculum vitae.
Twitter is a social networking service where users post and interact with messages known as "tweets". Follow me to receive tweets on agricultural and energy engineering topics, and everything else under the sun.
YouTube is a video-sharing website where you can follow my channel to receive instant updates of my videos tackling agricultural and energy engineering technologies.
Instagram is a photo and video-sharing social networking service where I get to share photos and short videos relating to my fields of expertise and my current professional activities.
Facebook is a social media and networking service where I get to share posts relating to my fields of expertise, my current professional activities and everything else under the sun.