# Raj kumar > Pishu sells texts based on an understanding of the behavioral factors of topical readers and knowledge of marketing. ## Recent Posts - [Мarine ecology](https://paragraph.com/@raj-kumar-2/arine-ecology) - [Cryptocurrency is a bubble?](https://paragraph.com/@raj-kumar-2/cryptocurrency-is-a-bubble) - [computer technologies of the future](https://paragraph.com/@raj-kumar-2/computer-technologies-of-the-future) ## Blog Information - [Homepage](https://paragraph.com/@raj-kumar-2/): Main blog page - [RSS Feed](https://api.paragraph.com/blogs/rss/@raj-kumar-2): Subscribe to updates - [Twitter](https://twitter.com/95mg6ihtag4kk1r): Follow on Twitter ## Optional - [All Posts](https://paragraph.com/@raj-kumar-2/): Complete post archive - [Sitemap](https://paragraph.com/@raj-kumar-2/sitemap-index.xml): XML sitemap for crawlers