old_contents: import moment from 'moment'
  import React from 'react'
  import PropTypes from 'prop-types'
  
  function format (value) {
    if (value.isAfter(moment().startOf('year'))) {
      return value.format('MM/DD HH:mm')
    }
  
    return value.format('YYYY/MM/DD HH:mm')
  }
  
  function ReadableTime ({ value }) {
    const parsedValue = moment(value)
  
    if (!parsedValue.isValid()) {
      return null
    }
  
    return <time dateTime={value}>{format(parsedValue)}</time>
  }
  
  ReadableTime.propTypes = {
    value: PropTypes.string.isRequired
  }
  
  export default ReadableTime
  
new_contents: import moment from 'moment'
  import React from 'react'
  import PropTypes from 'prop-types'
  
  function fullFormat (value) {
    return value.format('YYYY/MM/DD HH:mm')
  }
  
  function format (value) {
    if (value.isAfter(moment().subtract(48, 'hours'))) {
      return value.fromNow()
    }
  
    if (value.isAfter(moment().startOf('year'))) {
      return value.format('MM/DD HH:mm')
    }
  
    return fullFormat(value)
  }
  
  function ReadableTime ({ value }) {
    const parsedValue = moment(value)
  
    if (!parsedValue.isValid()) {
      return null
    }
  
    return (
      <time dateTime={value} title={fullFormat(parsedValue)}>
        {format(parsedValue)}
      </time>
    )
  }
  
  ReadableTime.propTypes = {
    value: PropTypes.string.isRequired
  }
  
  export default ReadableTime
  
subject: Add full date and time to the cell value titles