Yahoo Calendar: export calendar

If you wish to backup your calendar to your pc or import to another calendar system these are the steps.  It should be compatible with google calendar, and thunderbird:

at calendar.yahoo.com

on left side next to calendar click on the gear button

create calendar

enter name, then save

click on down arrow next to the calendar name, then select export

Sharing contacts among your social accounts:

Flow of Contact Sharing

Step	1	2	3	4
Source--->Target (tip)	spreadsheet	----->facebook (find friends->other->select file)	----> spreadsheet of phone numbers that user has made public or friend access to enabled as shown on their info tab on their profile ( account-> edit friends -> contact -> copy paste each 'page' to notepad/texteditor then save -> use spreadsheet program to sort and edit and append to your existing list)
			------>yahoo mail (facebook-> login fb connect)	---->google plus (find-> login yahoomail)
				---->spreadsheet ( export yahoo csv)
				---->gmail (import yahoo csv)
				---->linkedin (add connections-> login yahoo mail)
		--->linkedin (connections->add connections->import desktop)	--------> spreadsheet connections-> export connections , select 'yahoo csv'
		--->yahoo mail (address book: tools->import)

Comparison

service	export	import from email service	import by file
linkedin	y	y	y
gmail	y	y	y
google plus	n	y	n
yahoo mail	y	y	y
plaxio	y	y	n
twitter	n	y	n
hotmail /live /msn	y	y
facebook	n	y	y