23. ID
<div id="coolestWidgetEvah">...</div>
driver.find_element_by_id("coolestWidgetEvah")
24. ID
XPath
<input type="text" name="example" />
driver.find_elements_by_xpath("//input")
25. ID
XPath
Name
<input name="cheese" type="text"/>
driver.find_element_by_name("cheese")
26. ID
XPath
Name
<div id="food">
<span class="dairy aged">cheese</span>
</div>
driver.find_element_by_css_selector("#food
span.dairy.aged")
CSS
27. ID
XPath
Name
<a href="http://www.google.com/search?
q=cheese">cheese</a>
driver.find_element_by_link_text("cheese")
find_element_by_partial_link_text
CSS Text